Adds labels to items in the "Add Item" dropdown
Added some styling from dak1
Load MathJax after the rest of the editor has loaded
Added the lastmodified time

This is updated on save instead of on every change
Merge pull request #17 from Connexions/add-item-titles

Adds labels to items in the "Add Item" dropdown
Merge branch 'atc' into modified-time
Merge branch 'atc' into load-mathjax-last
Moved MathJax for the index page as well
Merge branch 'load-mathjax-last' of https://github.com/Connexions/atc into load-mathjax-last
Added dependency to load jQuery before loading the human-dates plugin
Merge branch 'atc' into load-mathjax-last
Merge branch 'atc' into prototype-context-sidebar