Use iframe for scoping and support __methodMissing__ to allow db object to work. Needs testing, WIP
WIP - Populate sandbox namespace properly with a db object that makes coll objects.
Move and condense methods in request/Query into Coll.
Update Cursor to separate functionality more.
Start to fill out tests, still lots of work to do.
Fill out tests for Cursor, mutateSource,  shell sandbox, member accessor
Fix lint errors.
Make iframe creation easier to read.
Merge branch 'master' of git://github.com/10gen-labs/mongo-web-shell into stuffjs-spike

Conflicts:
	frontend/SpecRunner.html
	frontend/spec/mws/request.spec.js
	frontend/spec/mws/util.spec.js
	frontend/src/mws/Query.js
	frontend/src/mws/request.js
	frontend/src/mws/util.js
Refactor show and print to use new scoping patterns.
Keywords no longer are convert to statements, but are rather handled separately.
Reformat and fix util's toString and shell specs.
Merge pull request #168 from FuegoFro/stuffjs-spike

New sandboxing/scoping method