Azeroth Arena Tournament 1.4

Version 1.4 notes:
- added new spells and abilities
- added 9 heroes
- hero voices and models improved
- added a Tome of Retraining
- lowered some item's gold cost
- reworked some arena's layout
- reworked the hero chosing area to fit all the new heroes
- tank heroes are now called melee
- healing heroes are now called support
- game mode commands have now been improved for faster typing
- improved triggers
- fixed variables
- improved stability
- fixed various bugs
- various gameplay balances
- worked on spell tooltips and shortcuts

By opiemonster on Jun-19-09