package.json: Upgrade npm dependencies

- Upgrade all dependencies in 'package.json' to latest stable versions.
- Add 'bootstrap' resolution to '^3.3.6' in 'bower.json' to resolve
  version conflicts.

Closes coala#112

coalahtml/_coalahtml/bower.json

@@ -6,6 +6,9 @@
     "bootstrap": "^3.3.6",
     "google-code-prettify": "^1.0.4",
     "angular-sanitize": "^1.5.0",
-    "bootstrap-material-design" : "^0.5.10"
+    "bootstrap-material-design": "^0.5.10"
+  },
+  "resolutions": {
+    "bootstrap": "^3.3.6"
   }
 }

package.json

@@ -1,16 +1,16 @@
 {
   "devDependencies": {
-    "angular-mocks": "^1.5.0",
+    "angular-mocks": "^1.6.2",
     "chai": "^3.5.0",
-    "csslint": "^0.10.0",
-    "jshint": "^2.9.1",
-    "karma": "^0.13.21",
+    "csslint": "^1.0.5",
+    "jshint": "^2.9.4",
+    "karma": "^1.4.1",
     "karma-chai": "^0.1.0",
-    "karma-coverage": "^0.5.3",
-    "karma-mocha": "^0.2.2",
-    "karma-phantomjs-launcher": "^1.0.0",
-    "mocha": "^2.4.5",
-    "phantomjs-prebuilt": "^2.1.4"
+    "karma-coverage": "^1.1.1",
+    "karma-mocha": "^1.3.0",
+    "karma-phantomjs-launcher": "^1.0.2",
+    "mocha": "^3.2.0",
+    "phantomjs-prebuilt": "^2.1.14"
   },
   "scripts": {
     "test": "./node_modules/.bin/karma start --single-run --browsers PhantomJS"