Tidy up the admin interface

Add option to hide mapping and flickr
Collapse some fieldsets
Change sizing on some boxes
Combine rows in a few places
Convert help text in to question mark and hover
Make everything a lot more compact
Add option to limit the question types that are offered in the admin (simplify the admin interface)
Add tastypie integration to add a few basic API abilities.
This is done in support of the tagit jquery plugin which will be used to make it easier to add survey question fieldnames to a survey
Ability to incorporate data from multiple surveys into one survey report.

This change is not yet finished and operational yet.
activate the jquery tagit plugin to help figure out the field names for survey report field name input (so you don't have to remember the valid names of fields in surveys)
Finish integration of tagit plugin for use in admin when setting up survey reports