Added some E_META_* values to BlockID.h
Fixed Formmating
Fixed some E_META_*** Names
Fixed E_META_...Typos in BlockID.h
Spacing fixes and a few more BLOCK_META constants.
Merge remote-tracking branch 'origin/master' into issue850

Conflicts:
	src/Blocks/BlockLeaves.h
	src/Generating/Trees.cpp
Renamed NEWLEAVES and NEWLOG to LEAVES and LOG.
Fixed typo and removed useless right side up slab meta.
Reverted submodule changes.
Merge branch 'master' into issue850

Conflicts:
	src/BlockID.h
Fixed compilation.
Merge pull request #1261 from mc-server/issue850

Continuation of #966: Adding E_METAs