Bump gulp-uglify

Author: JeffreyWay

package.json

@@ -46,7 +46,7 @@
     "gulp-sass": "^2.0.3",
     "gulp-sourcemaps": "^1.5.2",
     "gulp-shell": "^0.5.0",
-    "gulp-uglify": "^1.4.2",
+    "gulp-uglify": "^1.5.1",
     "gulp-util": "^3.0.6",
     "gulp-watch": "^4.2.4",
     "insert-css": "^0.2.0",