Pocket Edition v0.12.2 alpha

Alpha 0.12.2 is a patch to Minecraft: Pocket Edition with a few bugfixes.

Fixes
14 bugs fixed
 * - Thrown snowballs are black
 * - Lighting render bloom
 * - Tamed Wolves
 * - Entities turn black when facing a certain way
 * - Snow layers placed on part of a block uncovered by another block replace any block in that space
 * - Sand particles when sprinting above red sand
 * - Creating golems in survival don't reduce the count of pumpkins
 * - Iron golems
 * - When I press the play button, minecraft crashes.
 * - Furnace interface flickers
 * - Mojang logo doesn't appear when opening minecraft pe
 * - Diffrent Portals leading to the same Portal in the other dimension
 * - Placing an enchanted bow in a furnace removes the enchantments
 * Fixed a bug where breaking double tall grass would give off sunflower particles.