Pocket Edition v0.16.0 alpha build 2

Alpha 0.16.0 build 2 (also known as Alpha 0.15.90.1 ) is the second build version released for Alpha 0.16.0, also known as the Boss Update.

General

 * All things that happened in build 1 got removed, except prismarine, sea lantern, and wet sponge being added, and texture change of dry sponge.
 * However, the NPC spawn egg still exists and just got removed from creative inventory