Fix redirect if select value was not changed
refs #531 Docs page pulldown menu
Change docs page font styling
refs #527 Docs page - monospace fonts
Change pre code text color
refs #527 Docs page - monospace fonts
Fixing the Rake File to generate CSS in the public_dir instead of the source_dir.  This will give a single point in understanding wher the compiled CSS is and help any caching issue that arrive when modifying CSS.  (FYI if you want to clean up what is generated by public - just delete the public folder and rake generate)