Issue #813. Tweak basic rules (globals, comma-dangle, no-cond-assign)

.eslintrc

@@ -1,24 +1,33 @@
 {
     "rules": {
-        "indent": [
-            2,
-            4
-        ],
-        "quotes": [
-            2,
-            "double"
-        ],
-        "linebreak-style": [
-            2,
-            "unix"
-        ],
-        "semi": [
-            2,
-            "always"
-        ]
+        "indent": [2, 2],
+        "quotes": [2, "single"],
+        "linebreak-style": [2, "unix"],
+        "semi": [2, "always"],
+        "comma-dangle": 0,
+        "no-cond-assign": 0
     },
     "env": {
         "browser": true
     },
-    "extends": "eslint:recommended"
+    "extends": "eslint:recommended",
+    "globals": {
+          jQuery: true,
+          $: true,
+          _: true,
+          Backbone: true,
+          console: true,
+          define: true,
+          issueNumber: true,
+          markdownitEmoji: true,
+          markdownitSanitizer: true,
+          md: true,
+          moment: true,
+          Mousetrap: true,
+          PaginationMixin: true,
+          Prism: true,
+          qr: true,
+          repoPath: true,
+          wcEvents: true
+    }
 }