Merge pull request #1 from filipnaumovic/develop

custom modal, visual effects, rescaler, polish here and there, edge cases
Bumped version.
Bumped version.
Froze dependencies.
Changed extension name and browser menu item.
Added `circle.yml`.
Changed icon. Removed unused icon files.
Added other language to selection.

* Removed `en` because google errors out on en -> en translations.
* Display an error on error (instead of silently failing).
* Added `jquery-ui-scalebreaker` but waiting for @filipn to do the transition.
0.3.0
Generate manifest fields from `package.json`.
Removed CSS from `manifest.json` (we're using CSSify).
implemented new scalebreaker, some fixes