Add simple help system for MIST.
Add simple menu system.
Add simple experiments with JQuery

These experments led to a few mistui libraries, which are now included
in the JQuery experiments.
Merge branch 'master' of github.com:GlimmerLabs/MathOverImages
Merge branch 'master' of github.com:GlimmerLabs/MathOverImages
Add support for collections of cuntion info
Add support for clearing menus.
Add draft of "expert" UI

* Saves and loads functions.
* No rendering yet.
* Needs more error checking.