Changes in StudentProgress.pm and math4.css to change the layout of the display options for gateway student progress
Merge pull request #501 from aorinevo/StudentProgressCSS

I tested this by visiting a versioned set in the student progress menu.  The new form takes up less vertical space and the options all still work.
Another attempt at a sidemenu
unmatched });
removed old site-navigation js lines and added the lines related to the new sidemenu
Merge branch 'SideMenu' of http://github.com/aorinevo/webwork2 into dev

Stagging for update