* Start of room choice in preferences
* Menu almost working
* Rooms Selection Working
* Removed unneeded preferences file
* Default Name for Rooms
* Rename Default room folder
* Fixed Reset to Default Rooms to reset current Roomset
* Added menu item 'Toggle Edit in Place'.
This readds the ability to edit Sub-XSheets in place. The menu item has to be
added to the menu of a room, before it can be used.
* small modification
