Merge pull request #5 from jacklin213/master

Code Format Cleanup
v1.2.0
NPE Fix
Chi no longer takes fall damage if sprinting
Make PowerMultiplier of AvatarState configurable
Permission Nodes for the Grappling Hooks

bending.earth.grapplinghook
bending.chi.grapplinghook
Waterbenders are more powerful during full moon
1.3.0 BETA 1