Various styling-related cleanups:

 - replace Chozen with select2
 - fixed styling for fields on create user form
 - uniformalized styling for selects
 - moved some template partials for consistency
Fix unbalanced HTML
Cleanups to form navigation
Add an ISDIAH default
Add missing form field descriptions and messages
We apparently no longer need to disable signed tokens in the test environment
Put a wrapper around authority details
Improve the look of the event filter and add a user select list
Inital sketch of JSON query parser, not 100% implemented
Complete impl. methods
Add equivalent tests for JSON response parser
Link response type to response builder and result parser
Additional cleanup and commenting
Merge branch 'master' into new_models
Merge branch 'new_models' of github.com:mikesname/docview into new_models