Move about.html to templates directory
Clean up the About page
Rearrange the About page
Add lang=en
Use templates to get static URLs
Move about.html back to static/
Finish moving about.html to static/
Merge pull request #383 from ihanson/about

Cleaning up the About page
Document languages option in makeSagecell
Check through *all* script tags for the root url, not just the last one

We were seeing problems on, for example, blogspot, where the last script tag was actually a different script.  My guess is this has something to do with how scripts are loaded in parallel or something.  This also reflects how things are done in MathJax in exactly this sort of thing.
Merge branch 'master' of github.com:sagemath/sagecell
Add a note about the embedded style sheet.
Fix HTML5 errors

Thanks to Ira Hanson for pointing this out.
Merge pull request #381 from ihanson/lang-doc

documenting languages option
Make the javascript createElement function create text nodes and use it everywhere
Update installation instructions to delete references to version 1
Merge branch 'master' of github.com:sagemath/sagecell
Update patches to Sage 5.7.beta4
Take out the hardcoded address in the testing scripts
Update spkg notes