Add new nether render mode.
Added name to CONTRIBUTORS.rst
add some initial work on region trimmer
Added Entities support
remove unused import
fix node deletion, better usage message
dumb commit to trigger travis
removed note about install, caused more grief than good
Merge pull request #831 from overviewer/snapshot

1.4 has been released. merge snapshot into master.
Fix cobblestone walls. Still they have a very ugly pattern.
Fix command block texture.
Add anvils.
Map rotation now affects anvils.
greatly improve walls look.
Merge commit 'refs/pull/821/head' of github.com:overviewer/Minecraft-Overviewer into merge_821
Fixes mob spawners rendering as coal ore.
Don't error out when encountering an unknown RegionSet
OSX Build clarifications
Typo
Fix crop validator to avoid trying to alter a tuple