Properly update special power bars on specialization change.
Do not check Powers visibility on power value change.
There is no such frame as "vehicle" frame, use "pet" instead.
Use accurate power values in Powers.lua.

Required to get fraction of burning embers.
Added proper color and highlight of burning embers.
Properly update hybrid power bars.
Added a proper color for demonic fury.
Added highlight of holy powers.
Fixed a bug where the discrete power bar looked full after being resized.
Fixed Holy Power highlight colors.
Added configuration entries for more power colors.