Update changelog
Merge pull request #518 from cmc333333/changelog20131231

Update changelog
backbone docs
fix typo
fix typo
nicer links
nicer links
nicer links
nicer links
fixing list
formatting
events, require
fixing link
css tweaks for help legend
Merge pull request #520 from theresaanna/master

Front end documentation
Merge pull request #521 from jehlers/master

css tweaks for help legend