Allow gulp in npm-scripts to be found on the path.
Allow gulp in npm-scripts to be found on the path.

In a regular install, the executables are automatically linked into
node_modules/.bin/ by `npm install` and `npm run` will add that
directory onto the PATH, so this should work out of the box.

curioussavage/reddit-mobile,uzi/reddit-mobile,uzi/reddit-mobile,madbook/reddit-mobile,devypt/reddit-mobile,curioussavage/reddit-mobile,uzi/reddit-mobile,danehansen/reddit-mobile,kieranjones/reddit-mobile,madbook/reddit-mobile,madbook/reddit-mobile,dwick/reddit-mobile,umbrae/reddit-mobile,gynsolomon/reddit-mobile,DogPawHat/reddit-mobile,DogPawHat/reddit-mobile,muratsu/reddit-mobile