Updated the version.
Fixed handling of translation selection.
Minor cosmetic changes.
Refactored to use List instead of plain arrays.
Added in-memory cache for translation list.
Fixed screen tracking.
Added launcher icon for xxxhdpi.
Added proguard.txt for Google Play services package.
Added back verses copy and sharing.
Added some more analystics tracking.
Sorted available translations by locale.
Added support for screen lock.
Bumped the version.
Merge branch '1.8' into develop