added .gitignore
merged mgage/master
Merge branch 'master' of https://github.com/mgage/webwork2
Merge pull request #4 from mgage/master

updates from Grant He
Starting documentation
color on hover, and possible fix to library iPad dragging issue
Merge commit 'c8e17e6859e5de8e403eff1593cf11bbee4d88da'
Merge pull request #9 from whytheplatypus/master

fixes?
fixed the library problem dragging issue
Update .gitignore file
Move keys.js and keys.css to js/lib/vendor, add mathjax support

Adjust Problem.pm to point to the correct directory.
The new keys.js allows for the display eleement to be different from
the value e.g.  sqrt() is displayed as $ \squrt{} $.
Remove old copy of keys.js
starting browse
Merge pull request #10 from whytheplatypus/master

library problem fix
fix for highlighting sets containing problems
Merge pull request #11 from whytheplatypus/master

highlighting
Added UserList.3 and changed files to make ClassList3 visible.
merged with dgage
Added mathjax as submodule
Added mathjax as a git submodule. Users must still do 'git submodule init' and 'git submodule update' from webwork2/ to get MathJax code