Merge pull request #64 from MetaMask/readme_gulp_grunt

grunt to gulp readme changes

README.md

@@ -3,9 +3,7 @@
 ## Development
 
 ```bash
-npm install --global grunt-cli
 npm install
-grunt dev
 ```
 ### Developing with Gulp
 
@@ -36,10 +34,10 @@ You now have the plugin, and can click 'inspect views: background plugin' to vie
 
 ### Developing the UI
 
-To enjoy the live-reloading that `grunt dev` offers while working on the `metamask-ui` or `web3-provider-enigne` dependencies:
+To enjoy the live-reloading that `gulp dev` offers while working on the `metamask-ui` or `web3-provider-engine` dependencies:
 
  1. Clone the dependency locally.
  2. `npm install` in its folder.
  3. Run `npm link` in its folder.
  4. Run `npm link $DEP_NAME` in this project folder.
- 5. Next time you `grunt dev` it will watch the dependency for changes as well!
+ 5. Next time you `gulp dev` it will watch the dependency for changes as well!