Java Edition 14w30b

14w30b was released to fix some crashes and bugs from snapshot 14w30a.

Fixes
From the 1.8 snapshots
 * – Held Items are black and sky turns dark while riding a Minecart / Boat
 * – Debug profiling crash:
 * – Chests, signs, and ender chests do not render in empty chunks
 * – Destroying the last block model in a chunk causes ghost blocks
 * – Keep dying just after respawning

From the previous snapshot
 * – Chunks don't reload until the mouse moves