DRYer Cleaner Code

* re-organized .scss directory
* experimenting with sass %placeholders
* making markup more semantic and using a mixin for dropdown
Add User Action

* added "Add User" in actions bar
misc

* $text-decoration ltr by default

* added `!global` to foundation files. This fixes an annoying compass deprecation warning.

* adjusted grunt file - dev mode to speed up `grunt watch`