Merge pull request #218 from phanx/master

EclipseBar: Don't call PostUnitAura if the eclipse state didn't change
EclipseBar:
- Check the two eclipse buffs by name instead of looping over all active buffs.
- Also call ECLIPSE_DIRECTION_CHANGE in Update.
Merge pull request #219 from phanx/master

EclipseBar:
eclipsebar: Hide while in a vehicle
runebar: Hide while in a vehicle