add support for latest in metadata.xml
Fix an outdated "Send this" form handler property reference.  This
property has been on the portal, not in
portal_properties.site_properties, for some time.  This was causing a
problem when using collective.proxyproperties with a
collective.lineage nav root.
We have the tool, so no need to rely on acquisition.
re-add pkg_resources for latest support
Fix issue with incorrect line in form tabbing Javascript breaking over-threshold tabbed forms

Conflicts:

	docs/CHANGES.txt
Ensure multiple over-threshold tabbed forms on same page work together; remove deprecated jq usage in process.
clean up tests. it is 2012 and we have test discovery
this might make things work better
pep8 cleanup
changed comment spacing for consistency
pep8 cleanup
pep8/consistency cleanup
pep8/consistency cleanup
pep8/consistency cleanup
pep8/consistency cleanup
pep8/consistency cleanup
pep8/consistency cleanup
pep8/consistency cleanup
pep8/consistency cleanup
pep8/consistency cleanup