Change some dimensions to system values.
Change icon to a new one for mdpi, hdpi, xhdpi.

ldpi is legacy, xxhdpi is not ready because there are no tablet version
yet.
Merge branch 'new-icon' into dev
Use custom background only for hre-Honeycomb devices.
Add action bar themes for activities.
Add up navigation support.
Merge branch 'action-bar-navigation' into dev
Remove french translation.
Fix russian translation.
Change some methods visibility, change card creation flow.
Remove unused resources.