Build against API level 19 with build tools 19, use r19 of support lib.
Drop unused libs from libraries folder.
Drop useless README.
Remove PrefBackupHelper.
Drop many unused resources.
Drop unused attributes, classes.
Drop unused library jars and sources.
Drop analytics.
Remove unused drawables.
Latest translations.

- Exported from crowdin on 2013-11-15.
Rename to X Pass.
Drop unused string.
Push version to 165.