Pocket Edition v0.12.1 alpha build 10

Alpha 0.12.1 build 10 is the tenth build released for Alpha 0.12.1.

Changes

 * Villagers will always become zombie villagers in Hard difficulty
 * Endermen will now avoid water
 * Only uses the leaves coloring shaders when the color for a biome actually changes
 * Only samples the lightmap texture for non-transparent pixels
 * Updated sounds

Fixes
23 bugs fixed

From released versions before 0.12.1
 * - Acacia and dark oak trees act like ladders

From the 0.12.1 development versions
 * Fixed items not dropping from the hotbar
 * Fixed the player respawning in the Nether after dying in the Nether
 * Potentially fixed a lot of crashes when closing/reopening the app
 * Fixed a crash in multiplayer when loading chunks
 * Fixed a crash with villagers in the Nether
 * Fixed a black screen crash when opening the game on bad internet connections
 * Snow doesn't accumulate under stairs
 * Fixed a crash in the crafting menu
 * Mob AI no longer consider soul sand or chests to be full-height blocks anymore
 * Fixed endermen shaking when damaged
 * NPCs actually notice when crops are ready
 * Vines can now be placed on leaves
 * Skulls now look different in multiplayer
 * Fixed entities climbing dark oak and acacia wood
 * Fixed a crash when touching the enchant button
 * Zombie pigmen now die correctly in TNT explosions
 * The enderman teleport sound now can be heard on clients
 * Proper handling of input in the port number field
 * Can now type unicode characters on a sign
 * World name input doesn't break anymore when using left to go back
 * Cacti now have the correct particles when broken
 * Fixed renaming not working in the anvil
 * Particles don't flicker black anymore
 * - Hoe tools don't show damage/durability when used
 * - about 3 villages of 4 are empty