some smartening up of star shader and demo in pi3d2.py
Merge pull request #112 from rurwin/integration

health and safety issues relating to walking on roof
further additions and corrections to ReadMe
fix typo/vestigial elif
bit more doc tidying
readme tidying
readme tidying
links added to explanation
links added to explanation
added line to set frames_per_second in Display.create()
New documentation for Font.py
Remove Makefile and config.py from documentation/
Documentation for constants, Utility
s/Swirly/Ritchford
Add bisect to Utility.draw_level_of_detail
put the camera indoors to start
added description in rst files
background explanation added
background explanation added
very minor formatting