Fix spelling (mgechev#154)

Fix eslint errors
Remove duplicates in eslintrc

Author: fisenkodv

.eslintrc.json

@@ -2,7 +2,8 @@
   "env": {
     "browser": true,
     "jquery": true,
-    "node": true
+    "node": true,
+    "es6": true
   },
   "globals": {
     "expect": true,
@@ -15,9 +16,7 @@
     "ecmaVersion": 6
   },
   "rules": {
-
     "camelcase": 2,
-    "curly": 2,
     "eqeqeq": 2,
     "indent": [
       2,
@@ -72,8 +71,6 @@
       2,
       5
     ],
-
-
     "curly": [
       2,
       "all"
@@ -132,13 +129,6 @@
       }
     ],
     "eol-last": 2,
-    "no-trailing-spaces": 2,
-    "indent": [
-      2,
-      2,
-      {
-        "SwitchCase": 1
-      }
-    ]
+    "no-trailing-spaces": 2
   }
 }