extract form property table definition columns vs. rows
switch from implicit tuples to explicit dicts in a few places
switch to tables for case properties
don't show related cases tab if there are no related cases
Merge branch 'new_casedetails' into new_casedetails-mwhite
some cleanup, renaming, and documentation
move property table processing/rendering code to corehq
move render_form to couchforms
modularize property table stuff
Merge pull request #47 from dimagi/new_casedetails-mwhite

New casedetails mwhite