Freeze JSLint version

Author: ablanco

package.json

@@ -29,7 +29,7 @@
     },
     "devDependencies": {
         "grunt": "~1.0.1",
-        "grunt-jslint": "1.1.x",
+        "grunt-jslint": "1.1.14",
         "grunt-shell": "~2.1.0",
         "grunt-contrib-concat": "~1.0.1",
         "grunt-contrib-uglify": "~2.1.0",