Django-globus-portal-framework

- Added broad exception handling on facet_modifiers
- Catch all exceptions except import exceptions (developer errors)

- Added 'facet_modifiers' field to index config
- This allows customizing facets before they are rendered in templates, without writing new views.
- Added support for 'value' type facets
- 'sum' and 'avg' type facets can now be configured
- Added facet fields 'unique_name' and 'type' to facet results
- Added 'filter_type' to each 'bucket' field in facet results

- Fixed error on /allowed-groups view when groups could not be fetched from Globus
- Added Globus 'Preview' support
- Added specific "GroupsException" for catching groups-specific exceptions

- Fixed Globus API errors on logout
- Added support for new Globus Groups Resource Server name
- Changed from 04896e9e-b98e-437e-becd-8084b9e234a0 to 'groups.api.globus.org'
- 0.3.12 will continue to work for groups until September 23rd

- Fixed out of order merge to include changes from last release
- This adds the get_subject fix not properly included

- Fixed get_subject not setting the correct format version.
- This caused get_subject to malfunction after the latest search release