Update gitignore to exclude generated maven and app engine files.
Sort deps in build.gradle.
Use EventBus 2.2.0. Closes #344.
Fix show info not listening to rating updates.
Use r2 of the DashClock API, closes #312.

- Remove r1.1 jar, use maven dep instead.
- Change to v2 protocol in manifest, allow other apps to use extension
(worldReadable).
Update notification icon.

- Added v11 xxhdpi variant, updated xhdpi variant.
Move default logo to main, tweak it a little.
Use 4.4 style settings icon, add xxhdpi variant.
Move logo of list widget to the left.
Set fixed list widget image size.
Tweak tablet widget image size again.
Add xxhdpi nav drawer indicator and shadow.
Merge branch 'beta' into cloud-backend

Conflicts:
	SeriesGuide/build.gradle
Set project id in appengine-web.xml.
Using AppEngine SDK 1.8.7.