Birdstopia - Idle Bird Clicker

Mar 26, 2017

Changes :
1. Add permission popup in viewmode asking player to accept permission to read external storage
2. Add back button for event/news, no internet, and no ads popup in fullmode
3. Add back button for unlock new scene and permission popup in viewmode
4. Fix event birds encyclopedia issue

Balances :
1. Double tree production per tap
2. Double estuary production per sec
3. Double forest production per sec
4. Double savanna production per sec
5. Double mountain production per sec