Fix setbiome issue and tweak a few block names.
Added pistons (retracted only) to cycler tool.
Merge branch 'master' of git://github.com/sk89q/worldedit

Conflicts:
	src/main/java/com/sk89q/worldedit/blocks/BlockType.java
	src/main/java/com/sk89q/worldedit/commands/BiomeCommands.java