Pull request from version 0.4 to 0.7

Tested on newer version of WE and bukkit (WE reference update in repo!)
CraftBukkit-1.7.9-R0.1-20140418.182938-15 + WorldEdit 5.6.2 [mc 1.7.9]

Features implemented since 0.4:

removed case sensitivity
changed command parsing (see Wiki)
added more customizability to commands
Fixed Wildcards and extensions from 0.5
updated Metrics code
added some aliases like //sch br (see Wiki)

[Wiki update!](https://github.com/Mariomarco/SchematicBrush/wiki), to match newer parsing.