The ability to edit themes within the Admin UI.
Stage 1. List CSS files and provide facility to edit them.
Stage 2. Confirm compilation and provide version control and rollback.
Stage 3. List JS files and edit.
Stage 4. Allow for editing of Standard and Installed modules XSLT. Editing individual templates within a file not the entire file.
Stage 5. Edit Minimal layouts saving overloaded versions locally.