Pocket Edition v0.15.9 alpha

Alpha 0.15.9 is a update to fix the bugs and crashes in Alpha 0.15.8.

Additions

 * Minecon skin pack
 * The Minecon cape skins can be worn by anyone with the Minecon skin pack, even if they did not go to Minecon.
 * Capes support

Fixes

 * – Despawning stairs