Removed type qualifier for SkillUseTypes enum
Added a simple check to prevent DoEnduranceUpkeep (1 sec persistent timer)
from constantly checking when client has no endurance drain effects.
This was running 24/7 for all classes.
code fix
Merge pull request #288 from KayenEQ/Development

optimization for how do endurance upkeep for discs
Merge git://github.com/EQEmu/Server into Custom

Conflicts:
	zone/client_process.cpp
	zone/mob.cpp
	zone/spell_effects.cpp