installer updates

switch to setuptools from distutils, update description
Merge pull request #7 from tjhei/installer_updates

installer updates
Move examples into new directory
Remove latex table stuff for the moment, not sure how to distribute, licensing, etc.
Add output_figures directory to git repo so that the examples run without the user needing to make it
Update gitignore
Move test outputs, update testing scripts.  What does gen_doc do?
Restore these