started, pulled off
Implemented dental form using cleanup xsl and value callbacks.
Removed dead/debug code.
Made recommend changes to for JSON output.
Removed unnesscary exit().
Merge pull request #64 from nigelgbanks/7.x-UM-38

7.x um 38
Fixed special case of checkboxes in that they can have $input === NULL, see
notes in _form_builder_handle_input_element in form.inc for more info.
Merge pull request #65 from nigelgbanks/7.x-UM-38

Fixed special case of checkboxes in that they can have $input === NULL, ...
Added update hook for taxonomies, and link to taxonomies in the form.
Merge pull request #66 from nigelgbanks/7.x-UM-38

Added update hook for taxonomies, and link to taxonomies in the form.
Merge pull request #3 from discoverygarden/7.x

Dental Form work