Update eslint rules and flow-vars plugin

.eslintrc

@@ -83,7 +83,6 @@ rules:
     no-div-regex: 1           # disallow division operators explicitly at beginning of regular
                               #    expression
     no-else-return: 1         # disallow else after a return in an if
-    no-empty-label: 2         # disallow use of labels for anything other then loops and switches
     no-eq-null: 2             # disallow comparisons to null without a type-checking operator
     no-eval: 2                # disallow use of eval()
     no-extend-native: 2       # disallow adding to native types
@@ -208,12 +207,12 @@ rules:
     quote-props: 0                 # require quotes around object literal property names
     semi: [2, "always"]            # require or disallow use of semicolons instead of ASI
     sort-vars: 0                   # sort variables within the same declaration block
-    space-after-keywords: [2, "always"] # require a space after certain keywords
+    keyword-spacing:               # require a space before and after certain keywords
+      ["error", {"before": true, "after": true }]
     space-before-blocks: 2         # require or disallow space before blocks
     space-in-brackets: 0           # require or disallow spaces inside brackets
     space-in-parens: 0             # require or disallow spaces inside parentheses
     space-infix-ops: 2             # require spaces around operators
-    space-return-throw-case: 2     # require a space after return, throw, and case
     spaced-comment: 2         # require or disallow a space immediately following
                                    #    the // in a line comment
     wrap-regex: 0                  # require regex literals to be wrapped in parentheses

package.json

@@ -58,7 +58,7 @@
     "concurrently": "^1.0.0",
     "coveralls": "^2.11.2",
     "eslint": "^2.5.2",
-    "eslint-plugin-flow-vars": "^0.1.1",
+    "eslint-plugin-flow-vars": "^0.2.1",
     "eslint-plugin-react": "^4.2.3",
     "express": "^4.13.3",
     "express-http-proxy": "^0.6.0",