events: Register the event with realUnit as well to allow elements to use both units while in a vehicle
castbar: Show the castbar for original units' spells as well
power: don't call UnitIsConnected twice
power: min is actually the current power
power: pass only the unit to GetDisplayPower
power: account for a possible non-zero altpower min value
aura: Fixed cooldown animation.
Merge branch 'p3lim-wow-RealEvents'