diff --git a/package-lock.json b/package-lock.json
index ae344b3..fba6bfa 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -155,6 +155,7 @@
       "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-2.1.1.tgz",
       "integrity": "sha1-1t4Q1a9hMtW9aSQn1G/FOFOQlMc=",
       "dev": true,
+      "optional": true,
       "requires": {
         "extend": "~3.0.0",
         "semver": "~5.0.1"
@@ -164,7 +165,8 @@
           "version": "5.0.3",
           "resolved": "https://registry.npmjs.org/semver/-/semver-5.0.3.tgz",
           "integrity": "sha1-d0Zt5YnNXTyV8TiqeLxWmjy10no=",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -1809,7 +1811,7 @@
       "dependencies": {
         "readable-stream": {
           "version": "2.0.6",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz",
           "integrity": "sha1-j5A0HmilPMySh4jaz80Rs265t44=",
           "dev": true,
           "optional": true,
@@ -1889,6 +1891,7 @@
       "resolved": "http://registry.npmjs.org/boom/-/boom-2.10.1.tgz",
       "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
       "dev": true,
+      "optional": true,
       "requires": {
         "hoek": "2.x.x"
       }
@@ -2571,6 +2574,7 @@
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.5.tgz",
       "integrity": "sha1-k4NwpXtKUd6ix3wV1cX9+JUWQAk=",
       "dev": true,
+      "optional": true,
       "requires": {
         "delayed-stream": "~1.0.0"
       }
@@ -3933,15 +3937,6 @@
         "mime-types": "^2.1.12"
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-      "resolved": "http://registry.npmjs.org/fs-access/-/fs-access-1.0.1.tgz",
-      "integrity": "sha1-1qh/JiJxzv6+wwxVNAf7mV2od3o=",
-      "dev": true,
-      "requires": {
-        "null-check": "^1.0.0"
-      }
-    },
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       "resolved": "https://registry.npmjs.org/fs-readdir-recursive/-/fs-readdir-recursive-1.1.0.tgz",
@@ -3974,7 +3969,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "aproba": {
           "version": "1.2.0",
@@ -3995,12 +3991,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -4015,17 +4013,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -4142,7 +4143,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -4154,6 +4156,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -4168,6 +4171,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -4175,12 +4179,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -4199,6 +4205,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -4286,7 +4293,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -4298,6 +4306,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -4383,7 +4392,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -4419,6 +4429,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -4438,6 +4449,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -4481,12 +4493,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -4848,7 +4862,8 @@
       "version": "2.16.3",
       "resolved": "http://registry.npmjs.org/hoek/-/hoek-2.16.3.tgz",
       "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "home-or-tmp": {
       "version": "2.0.0",
@@ -4899,6 +4914,7 @@
       "resolved": "https://registry.npmjs.org/http-proxy-agent/-/http-proxy-agent-1.0.0.tgz",
       "integrity": "sha1-zBzjjkU7+YSg93AtLdWcc9CBKEo=",
       "dev": true,
+      "optional": true,
       "requires": {
         "agent-base": "2",
         "debug": "2",
@@ -4922,6 +4938,7 @@
       "resolved": "https://registry.npmjs.org/httpntlm/-/httpntlm-1.6.1.tgz",
       "integrity": "sha1-rQFScUOi6Hc8+uapb1hla7UqNLI=",
       "dev": true,
+      "optional": true,
       "requires": {
         "httpreq": ">=0.4.22",
         "underscore": "~1.7.0"
@@ -4931,7 +4948,8 @@
       "version": "0.4.24",
       "resolved": "https://registry.npmjs.org/httpreq/-/httpreq-0.4.24.tgz",
       "integrity": "sha1-QzX/2CzZaWaKOUZckprGHWOTYn8=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "https-browserify": {
       "version": "1.0.0",
@@ -4944,6 +4962,7 @@
       "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-1.0.0.tgz",
       "integrity": "sha1-NffabEjOTdv6JkiRrFk+5f+GceY=",
       "dev": true,
+      "optional": true,
       "requires": {
         "agent-base": "2",
         "debug": "2",
@@ -5748,12 +5767,11 @@
       }
     },
     "karma-chrome-launcher": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/karma-chrome-launcher/-/karma-chrome-launcher-2.2.0.tgz",
-      "integrity": "sha512-uf/ZVpAabDBPvdPdveyk1EPgbnloPvFFGgmRhYLTDH7gEB4nZdSBk8yTU47w1g/drLSx5uMOkjKk7IWKfWg/+w==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/karma-chrome-launcher/-/karma-chrome-launcher-3.0.0.tgz",
+      "integrity": "sha512-u/PnVgDOP97AUe/gJeABlC6Wa6aQ83MZsm0JgsJQ5bGQ9XcXON/7b2aRhl59A62Zom+q3PFveBkczc7E1RT7TA==",
       "dev": true,
       "requires": {
-        "fs-access": "^1.0.0",
         "which": "^1.2.1"
       }
     },
@@ -5847,13 +5865,15 @@
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/libbase64/-/libbase64-0.1.0.tgz",
       "integrity": "sha1-YjUag5VjrF/1vSbxL2Dpgwu3UeY=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "libmime": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/libmime/-/libmime-3.0.0.tgz",
       "integrity": "sha1-UaGp50SOy9Ms2lRCFnW7IbwJPaY=",
       "dev": true,
+      "optional": true,
       "requires": {
         "iconv-lite": "0.4.15",
         "libbase64": "0.1.0",
@@ -5864,7 +5884,8 @@
           "version": "0.4.15",
           "resolved": "http://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.15.tgz",
           "integrity": "sha1-/iZaIYrGpXz+hUkn6dBMGYJe3es=",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -5872,7 +5893,8 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/libqp/-/libqp-1.1.0.tgz",
       "integrity": "sha1-9ebgatdLeU+1tbZpiL9yjvHe2+g=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "load-json-file": {
       "version": "1.1.0",
@@ -6449,13 +6471,15 @@
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/nodemailer-fetch/-/nodemailer-fetch-1.6.0.tgz",
       "integrity": "sha1-ecSQihwPXzdbc/6IjamCj23JY6Q=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "nodemailer-shared": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/nodemailer-shared/-/nodemailer-shared-1.1.0.tgz",
       "integrity": "sha1-z1mU4v0mjQD1zw+nZ6CBae2wfsA=",
       "dev": true,
+      "optional": true,
       "requires": {
         "nodemailer-fetch": "1.6.0"
       }
@@ -6488,7 +6512,8 @@
       "version": "0.1.10",
       "resolved": "https://registry.npmjs.org/nodemailer-wellknown/-/nodemailer-wellknown-0.1.10.tgz",
       "integrity": "sha1-WG24EB2zDLRDjrVGc3pBqtDPE9U=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "nopt": {
       "version": "3.0.6",
@@ -6520,12 +6545,6 @@
         "remove-trailing-separator": "^1.0.1"
       }
     },
-    "null-check": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/null-check/-/null-check-1.0.0.tgz",
-      "integrity": "sha1-l33/1xdgErnsMNKjnbXPcqBDnt0=",
-      "dev": true
-    },
     "number-is-nan": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
@@ -7738,13 +7757,15 @@
       "version": "1.1.15",
       "resolved": "https://registry.npmjs.org/smart-buffer/-/smart-buffer-1.1.15.tgz",
       "integrity": "sha1-fxFLW2X6s+KjWqd1uxLw0cZJvxY=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "smtp-connection": {
       "version": "2.12.0",
       "resolved": "https://registry.npmjs.org/smtp-connection/-/smtp-connection-2.12.0.tgz",
       "integrity": "sha1-1275EnyyPCJZ7bHoNJwujV4tdME=",
       "dev": true,
+      "optional": true,
       "requires": {
         "httpntlm": "1.6.1",
         "nodemailer-shared": "1.1.0"
@@ -7825,6 +7846,7 @@
       "resolved": "https://registry.npmjs.org/socks/-/socks-1.1.10.tgz",
       "integrity": "sha1-W4t/x8jzQcU+0FbpKbe/Tei6e1o=",
       "dev": true,
+      "optional": true,
       "requires": {
         "ip": "^1.1.4",
         "smart-buffer": "^1.0.13"
@@ -7834,7 +7856,8 @@
           "version": "1.1.5",
           "resolved": "https://registry.npmjs.org/ip/-/ip-1.1.5.tgz",
           "integrity": "sha1-vd7XARQpCCjAoDnnLvJfWq7ENUo=",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -7843,6 +7866,7 @@
       "resolved": "https://registry.npmjs.org/socks-proxy-agent/-/socks-proxy-agent-2.1.1.tgz",
       "integrity": "sha512-sFtmYqdUK5dAMh85H0LEVFUCO7OhJJe1/z2x/Z6mxp3s7/QPf1RkZmpZy+BpuU0bEjcV9npqKjq9Y3kwFUjnxw==",
       "dev": true,
+      "optional": true,
       "requires": {
         "agent-base": "2",
         "extend": "3",
@@ -8384,7 +8408,8 @@
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.7.0.tgz",
       "integrity": "sha1-a7rwh3UA02vjTsqlhODbn+8DUgk=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "universal-deep-strict-equal": {
       "version": "1.2.2",
diff --git a/package.json b/package.json
index 0a861d8..5e088f1 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "eslint-plugin-react": "^7.6.1",
     "karma": "^2.0.0",
     "karma-browserify": "^5.3.0",
-    "karma-chrome-launcher": "^2.2.0",
+    "karma-chrome-launcher": "^3.0.0",
     "karma-cli": "^1.0.1",
     "karma-coverage": "^1.1.2",
     "karma-mocha": "^1.3.0",