Version bump to 2.0.0. (#13)

* Version bump to 2.0.0.

* Use python 3.6.

Author: mmaday

.travis.yml

@@ -1,6 +1,6 @@
 language: python
 python:
-  - "3.3"
+  - "3.6"
 # command to install dependencies
 install:
   - pip install flake8

messages.json

@@ -5,5 +5,6 @@
     "1.1.1": "messages/1.1.1.txt",
     "1.1.2": "messages/1.1.2.txt",
     "1.1.3": "messages/1.1.3.txt",
-    "1.1.4": "messages/1.1.4.txt"
+    "1.1.4": "messages/1.1.4.txt",
+    "2.0.0": "messages/2.0.0.txt"
 }

messages/2.0.0.txt

@@ -0,0 +1,5 @@
+SublimeLinter-contrib-htmlhint 2.0.0
+------------------------------------
+Upgrade to handle SublimeLinter 4.0!
+
+Please refer to https://github.com/mmaday/SublimeLinter-contrib-htmlhint for complete installation instructions.