chore(package): update gulp-eslint to version 1.1.1

http://greenkeeper.io/

package.json

@@ -49,7 +49,7 @@
     "gulp": "3.9.0",
     "gulp-coveralls": "0.1.4",
     "gulp-debug": "2.1.2",
-    "gulp-eslint": "1.0.0",
+    "gulp-eslint": "1.1.1",
     "gulp-exit": "0.0.2",
     "gulp-istanbul": "0.10.2",
     "gulp-mocha": "2.1.3",