Style changes to popup.
More popup style changes.
Add player buttons to popup. More style changes.
Change popup to sass. Cleanup grunt file. More popup style changes.
Add sass install to travis.
Popup additions and style changes.
More changes to popup and gruntfile cleanup.
Code cleanup and fixes. More changes to popup.
Clean up gruntfile. Add disabled tab functions to sitelist.
Add disable for tab, media key controls in popup.

Change disable site temporarily to just toggling the site's enabled value in localstorage because it was confusing.
Start moving all of controllers into single contentscript injector.

[skip ci]
Move contentscript injection to background page w/ executeScript.

[skip-ci]
Add disabled icon. Add logic to set the popup icon based on ext enabled state.
Add logic to sync popup icon across tabs.
Sync popup icon across tabs.
Start trying to fix bugs with localstorage of site settings.