Ability Book and Action Bar Additions

Added:
[*]GetAbilityLocation
[*]GetAbilityCooldown
[*]UseAbility
[*]ClickActionBarSlot
[*]AbilityInSlot
[*]AddAbilityToActionBar
[*]AddItemToActionBar
[*]TPAFromLine
[*]TPAFromLineWrap

Changed:
[*]Ability constants now start at 13 to allow for a single parameter to
be used in some of these new functions to define whether to use the
Action Bar or Ability Book.