Added new Minecraft account for Carbogen.

Added "Carbogen" to PK Devs in /pk who command.
Added a boolean in the AbilityModule

Added 'isSubAbility()' boolean in AbilityModule.
This allows a lavabending/metalbending ability to display its proper
color in /pk d earth.
Fixed MetalBending passive.

MetalBending's passive Iron Door toggling will no longer happen every
tick (200 tick cooldown).
Fixing Git issues...
Nerfed MetalClips

Made MetalClips' fourth clip require that the user have a permission,
and changed the overall dynamic of it.
Nerfed LavaSurge

Added a Cooldown for LavaSurge.
Merge pull request #65 from Carbogen/master

Nerfed LavaSurge and MetalClips (and other things)