Pocket Edition alpha 1.1.1.0

1.1.1 build 1 (also known as 1.1.2.0) is the first build released for 1.1.1 which is a hotfix only release.

Fixes

 * Fixed several crashes and improved stability
 * The Creative inventory can no longer be accessed in Survival
 * Redstone torches will no longer play the burn out sound when they simply lose power
 * Shulkers are now immune to fire
 * TNT explosions now apply the right amount of force to players
 * Mutated biomes will now decorate properly
 * Various fixes to Marketplace screens