Preset Bug Fix

Presets weren't working correctly after /b clear or /b bind
Added isToggled() accessor method
AirCombo now checks if player is toggled
FireCombo now checks if player is toggled
WaterCombo now checks if player is toggled
Bloodbending Config - HoldTime, Cooldown
Fixed EarthBending causing random water from water sources
FireBurst Improved Efficiency

FireBurst causes less FPS lag
AirBurst Improved Efficiency
Twister Particle Config Options
PhaseChange Improved TPS Efficiency
Merge pull request #63 from nathank33/master

Bug Fixes, Config Options, Performance Improvements