New rule: Disallow empty destructuring patterns (no-empty-pattern)

http://eslint.org/docs/2.0.0/rules/no-empty-pattern

Author: feross

eslintrc.json

@@ -58,6 +58,7 @@
     "no-dupe-keys": 2,
     "no-duplicate-case": 2,
     "no-empty-character-class": 2,
+    "no-empty-pattern": 2,
     "no-eval": 2,
     "no-ex-assign": 2,
     "no-extend-native": 2,