chore(package): update gulp-cli to version 2.0.1

Closes #46

Author: greenkeeper[bot]

package.json

@@ -36,7 +36,7 @@
     "gulp-bg": "^0.0.8",
     "gulp-changed": "^1.3.0",
     "gulp-changed-in-place": "^2.0.3",
-    "gulp-cli": "^1.2.1",
+    "gulp-cli": "^2.0.1",
     "gulp-exec": "^2.1.2",
     "gulp-print": "^2.0.1",
     "gulp-sourcemaps": "^1.6.0",