first commit
python3 shebang
figures
user guide structure
mouse tracking tutorial for glade and some more changes
reworded ui_introduction.rst
removing tutorial files
fixed wrong diff?
fixed wrong diff?
removing tutorial files

Conflicts:

	doc/users/developer.rst
testchange
Added a Glade GTK3 integration example.
testchange2
removed trailing whitespace
Merge pull request #3160 from WeatherGod/glade-tutorial-fixed

Glade tutorial branch fixed