small enhancements to shapes demo:

small enhancements to shapes demo:
- pitch and yaw rotation speeds are now prime numbers so we don't have a
  repeating cycle
- made window slightly larger so we have more space for the info printed
- added info for 2D rotation vs 1D rotation
- added keys to info where they were missing

git-svn-id: svn+ssh://svn.code.sf.net/p/freeglut/code/trunk/freeglut/freeglut@1400 7f0cb862-5218-0410-a997-914c9d46530a