set content files when running OpenMW from OpenCS
added run button to scene subview toolbar
remove deleted debug profiles from run tool
added right-click handling support to SceneTool class
added profile selection panel
some cleanup of the scene view drop code
generalising and cleaning up drop implementation of worldspace widget
fixed drop implementation for unpaged worldspace (wasn't updating cell object)
rewrote run tool profile management
add debug profiles to scene subviews view drag and drop
fixed --data switch (was missing composing option)
add project file to content file list when running OpenMW from OpenCS