Pocket Edition v0.10.0 alpha build 5

Alpha 0.10.0 build 5 is the fifth build version released for Alpha 0.10.0.

Fixes
9 bugs fixed


 * Fixed a crash or graphics corruption when underwater
 * Fixed black screen on startup on yet more devices
 * Fixed black lines on the sides of doors
 * Reenabled OpenGLES 3 and mipmaps
 * Possibly fixed some depth precision issues
 * Chat messages are now cleared when switching worlds
 * The game doesn't forget the settings change if quitting before exiting the options screen now
 * Fixed sensitivity lowering itself automatically
 * Destroying a door by removing the underlying block now correctly yields a door item