Update dev dependencies

Author: leebyron

package.json

@@ -52,7 +52,7 @@
   },
   "devDependencies": {
     "babel-cli": "6.6.5",
-    "babel-eslint": "6.0.0-beta.5",
+    "babel-eslint": "6.0.2",
     "babel-plugin-syntax-async-functions": "6.5.0",
     "babel-plugin-transform-class-properties": "6.6.0",
     "babel-plugin-transform-flow-strip-types": "6.7.0",
@@ -63,11 +63,11 @@
     "chai": "3.5.0",
     "chai-subset": "1.2.2",
     "coveralls": "2.11.9",
-    "eslint": "2.2.0",
-    "eslint-plugin-babel": "3.1.0",
+    "eslint": "2.7.0",
+    "eslint-plugin-babel": "3.2.0",
     "flow-bin": "0.20.1",
     "isparta": "4.0.0",
     "mocha": "2.4.5",
-    "sane": "1.3.3"
+    "sane": "1.3.4"
   }
 }