chore(jshint): add more rules

Author: douglasduteil

.jshintrc

@@ -1,23 +1,29 @@
 {
-  "boss": true,
-  "browser": true,
-  "eqnull": true,
-  "expr": true,
+  "bitwise": true,
+  "camelcase": false,
+  "curly": true,
+  "eqeqeq": true,
+  "freeze": true,
   "globalstrict": true,
   "immed": true,
-  "laxbreak": true,
-  "loopfunc": true,
+  "latedef": false,
   "newcap": true,
   "noarg": true,
   "noempty": true,
-  "nonew": true,
-  "quotmark": true,
-  "smarttabs": true,
-  "sub": true,
-  "trailing": true,
+  "quotmark": "single",
   "undef": true,
   "unused": true,
+  "maxdepth": 4,
+  "maxcomplexity": 8,
+
+  "eqnull": false,
+  "esnext": true,
+
+  "browser": true,
+  "jasmine": true,
+  "validthis": true,
+
   "globals": {
-    "angular": false
+    "angular": true
   }
 }