Added entity_list::IsMobSpawnedByNpcTypeID

Exported to both lua and perl
Spell effect addition / fixes
Clean up and revision of proc chance bonuses
Combat Effects and WeaponProc bonuses will no longer affect melee spell procs
Merge pull request #120 from KayenEQ/master

Spell effect addition / fixes
Better flee runspeed calculation.
Added two new NPC special_abilities, ALWAYS_FLEE and FLEE_PERCENT.
Fixed an issue where a NPC could get stuck on a single coord in a rectangular roambox.
Added mindelay to spawngroup to allow for greater control of the roambox delay. SQL is required.
Corrected 2014_02_26_virulentvenomAA.sql
Fix for 'sqrt' failures on vs2010 clients
Merge remote-tracking branch 'remotes/EQEmu/master'