* Check user write permissions before saving project and net list files.
* Append read only to file name and path in title bar when the user
does not have write privileges.
* Don't display file dialog every time the net list or project file is
saved.
* Add save as and save project file as commands.
* Make capitalization of CVPcb consistent in all user strings.
* Doxygen comment and coding style policy fixes.
Wayne Stambaugh
jean-pierre charras