Added hit box and behaviours to pants fox.
Changed switches and doors etc. to use players group instead of actor type.
Merge branch 'master' of https://github.com/jokigenki/Foxtrot

# By Tim Frost
# Via Tim Frost
* 'master' of https://github.com/jokigenki/Foxtrot:
  BG Tutorial 2 added

Conflicts:
	scenes/39.png
	scenes/39.xml