Pocket Edition v0.15.1 alpha build 1

v0.15.1 alpha build 1 is the first and only build version released for v0.15.1.

Fixes
Pocket Edition Alpha 0.15.1 build 1 Edición Pocket v0.15.1 alpha build 1 Version portable Alpha 0.15.1 build 1 Edição Pocket v0.15.1 alpha build 1 Alpha 0.15.1 build 1 (Pocket Edition) 携带版0.15.1.b1