Add option to block on dev

Adding dev_block will hide a pull on the dash to prevent clutter.
To remove make it ~~dev_block~~
Request and expose the build state and url
Clean up layout.ejs

Also un derp me.
Merge pull request #25 from iFixit/pull-state

Request and expose the build state and url
Merge branch 'master' into dev-block

Conflicts:
	views/home/index.ejs
Merge pull request #19 from iFixit/dev-block

Add option to block on dev
Merge pull request #18 from iFixit/socket-available

Socketty Goodness
Merge branch 'master' into pretty-live-updating

Conflicts:
	api/controllers/HomeController.js
	api/models/Pull.js
	assets/js/home.js
	views/home/index.ejs
	views/layout.ejs