3338: System in place that allows for item counts to be displayed next to tab titles via AJAX.
(Currently does not refresh itself after activities such as adding or removing items, but this is now eminently possible.)
3338: vital action missing from previous commit
3338: Tests that the fixture collection count for a project matches what is displayed in the tab
3338: fix the integration test so that it checks the on-screen collection count
rather than trying to use the fixtures which doesn't work anyway
3338: move the user_is_manager and shared items to the already-overridden #find_object_by_uuid method so that these are available to all the same actions
3338: add a 'count-change' event that the tab panes listen for, and trigger it from destroy actions
3338: move code that sets the share_links to its own before_filter
Merge branch 'master' into 3338-tab-counts
Merge branch '3338-tab-counts' refs #3338