trying to fix the sidenav bar #738

Looks like this might help:
http://coderguy.com/2013/06/18/twitter-bootstrap-affix-nav-tutorial.html
updating the README #754

fixing the links
Get rid of old app/ directory.  Fix #747
Warn if you use /config with an unknown variable.  Fix misspelling in togetherjs.js for expired configs.  Show warning in console about config overrides, same as /baseurl already shows.
Fix problem with CodeMirror changes sometimes being line-based
We shoudl be using example.com since it's a reserved domain for this kind of stuff.
testing jquery for deployment
more debugging stuff to push live
Merge branch 'develop' of github.com:mozilla/togetherjs into develop
more debug
Get rid of duplicate jQuery.noConflicts
get rid of unnecessary logs
Nest input[type="checkbox"] inside .togetherjs-window, fixes overriding parent page stylesheet.
adjusting some CSS issues with the notifications
Merge pull request #762 from barryceelen/patch-1

Nest input[type="checkbox"] inside .togetherjs-window, fixes overriding ...
updating the main image for mobile
typo in README
Merge pull request #764 from waynn/patch-1

typo in README
Note command-line help
fixing the parallax photo and adding photo credit