Core/PhaseMgr: Updates and cleanups made to PhaseMgr and Conditions,
 * Core/Players: Minor in PhaseMgr

all credits go to Niaos/TrinityCore
i just retro fitted it into our core, for this system, further updates, adjustments and work for it in our core will be done after all is stable and inplace.

Signed-off-by: bootz <bootz@projectskyfire.org>