Upgrade ESLint dependency

Author: armandabric

.eslintrc

@@ -46,7 +46,6 @@
     "no-dupe-keys": 2,
     "no-duplicate-case": 2,
     "no-empty-character-class": 2,
-    "no-empty-label": 2,
     "no-eval": 2,
     "no-ex-assign": 2,
     "no-extend-native": 2,
@@ -103,15 +102,14 @@
     "quotes": [2, "single", "avoid-escape"],
     "radix": 2,
     "semi": [2, "always"],
-    "space-after-keywords": [2, "always"],
+    "keyword-spacing": 2,
     "space-before-blocks": [2, "always"],
     "space-before-function-paren": [2, {
         "anonymous": "always",
         "named": "never"
     }],
     "space-in-parens": [2, "never"],
     "space-infix-ops": 2,
-    "space-return-throw-case": 2,
     "space-unary-ops": [2, { "words": true, "nonwords": false }],
     "spaced-comment": [2, "always", { "markers": ["global", "globals", "eslint", "eslint-disable", "*package", "!", ","] }],
     "use-isnan": 2,

package.json

@@ -27,7 +27,7 @@
   "devDependencies": {
     "chai": "~3.5.0",
     "coveralls": "~2.11.6",
-    "eslint": "~1.3.1",
+    "eslint": "~2.2.0",
     "istanbul": "~0.4.2",
     "mocha": "~2.4.5",
     "sinon": "~1.17.3",