Xperms v2.0 support

update support for Xperms
Xperms v2.0 support (updated)

updated support for Xperms v2.0 (removes isEnabled() check in listeners)
Merge pull request #381 from Sebc722/master

Update for Xperms v2.0
fix all the problems with new Xperms2 hook, and update library to match.

Signed-off-by: Nick Minkler <sleaker@gmail.com>
Merge pull request #14 from MilkBowl/master

sync