* Renamed a number of frames to have a bit more meaning

* Renamed a number of frames to have a bit more meaning
* Began work on buff editing window, to define custom buff sets
* Resolved a number of issues with raid units not being cleared properly, which meant multiple units were updating to the same base unit
* Add/Editing headers now works properly, and can be done anytime you are not in combat
* Headers can now have their positions restored and saved when logging in
* Added a slash command to bring up the GUI.