fix comma for IE7/8
query-integration.js gets disabled during the upgrade to Plone 4.3. Make sure
  we do so for new sites as well.
only register search_rss for site root
test raise 404 on search_rss if not site root
enable search_rss before testing for failure non-site root
Add a 'max_tabs' option to form-tabbing.js to allow changes to the number of tabs displayed before the script uses a dropdown instead.
Merge branch '4.3.x' of github.com:plone/Products.CMFPlone into esteele-4.3.x

Conflicts:
	docs/CHANGES.rst
Test that pasting a deleted item doesn't give an error.

When pasting an item that has been deleted by someone else
since it was cut or copied, we should not get an error.

https://dev.plone.org/ticket/13577
Catch CopyErrors for Item Not Found.

Display a friendly string instead.
(https://dev.plone.org/ticket/13577)
Use str(e) to read error string without authorization issues.
If it's not an Item Not Found error, do what would have happened otherwise.
Deduplicate code: Move fallback action into method.
Update changelog.