Pocket Edition v0.10.0 alpha build 4

Alpha 0.10.0 build 4 is the fourth build version released for Alpha 0.10.0.

Changes

 * Glass walls have again only one side as in PC
 * The game now limits its CPU usage when in the background

Fixes
12 bugs fixed


 * Actually fixed all the black screen issues now, hopefully
 * Fixed missing stencil shadows on many devices
 * Removed black lines from torches and flowers on PowerVR devices
 * Fixed excessively close underwater fog with Fancy disabled
 * Slope rails now have a correct hitbox
 * Fixed the amount of dyes obtained from flowers and bones
 * Fixed spawning in leaves
 * Fixed a crash/corruption happening on app switch/reset
 * Fixed a biggish memory leak on world creation
 * Now showing shadows on alphatested tiles (glass, leaves)
 * Chickens don't have a black artifact under their head anymore
 * The brightness of the player in the armor inventory doesn't follow the in-world brightness anymore