Update 4.49.395 - Balancing Protector Mechanic

Protector/Protectorate Mechanic: due to abuse of the happiness system, the happiness adjust for the protectorate entering a relationship has been lowered to +3% (from +15%).
Language: latest translations added - Thanks :-D
Maintenance: improved text rendering performance.
Maintenance: Droid Billing updated to latest version 8.0.0.
Maintenance: proguard rules updated (to remove warnings).
Maintenance: more detailed information of Droid version.
Maintenance: date/time validation with stacktrace if day is wrong (to locate source).
Bugfix: chess engine was wrongly sorting move eval and crashed.
Bugfix: Creating multiplayer games didn't properly load the assets showing characters instead.