Update Examples 16/17 to use autograding_method (#21)

* switched 16 and 17 to use autograding_method

* Set use_router back to true.

Set use_router back to true.

* use router in 16

* don't use router in 17

don't use router in 17

Author: emaicus

Diff for: examples/16_docker_network_python/config/config.json

@@ -1,9 +1,12 @@
 {
-    //States that a given testcase uses a router by default. (Default value is true)
-    "use_router" : true,
-    // docker_enabled must be true in order for networking to work. If you forget it,
+    // autograding_method must be docker in order for networking to work. If you forget it,
     // your assignment should fail to build.
-    "docker_enabled" : true,
+    "autograding_method" : "docker",
+    "container_options" : {
+        //States that a given testcase uses a router by default. (Default value is true)
+        "use_router" : true
+    },
+
     "autograding" : {
         "work_to_details" : [ "**/*.csv", "**/*.txt" ]
     },

Diff for: examples/17_dispatched_actions_and_standard_input/config/config.json

@@ -1,9 +1,13 @@
 {
+
   "autograding" : {
     "work_to_details" : ["**/*.txt"]
   },
-  "use_router" : false,
-  "docker_enabled" : true,
+  "autograding_method" : "docker",
+  "container_options" : {
+      //States that a given testcase uses a router by default. (Default value is true)
+      "use_router" : false
+  },
   "testcases" : [
     {
       // Student-visible testcase name.