Pocket Edition v0.12.1 alpha build 7

Alpha 0.12.1 build 7 is the seventh build released for Alpha 0.12.1.

Changes

 * Ghasts now drop gunpowder and ghast tears

Fixes
10 bugs fixed
 * Input now runs at 60 fps instead of 20! Yay for less lag!
 * Lots of fixes for the Enchanting Table in multiplayer
 * Squids drop ink again
 * Golems drop iron again
 * Snow layers can now be replaced by any block
 * The player can now use the chat while lying in bed
 * Spawners are now synchronized online
 * Multiple connected doors now work correctly
 * Fixed custom names having formatting on Anvils
 * - Ghasts don't ghast tears