Bards can now use instant cast AAs while singing (Fading Memories, Boast...

...ful Bellow)

AA reuse timers now start before the spell is cast and reset upon failure or canceling

More info on the bug: http://www.peqtgc.com/phpBB3/viewtopic.php?f=17&t=13937

Confirmed both of theses changes on live.

Note: I used SendAATimer to reset the AAs, sending anything above the reuse time will make it appear ready again. I also changed all the others to use SendAATimer(AATimerID, 0, 0) since that works instead of doing a pointless time stamp. Also, some reason 0xFFFFFFFF (UINT32_MAX) wasn't working for some reason, so I used 0xFFFFFF instead.