Title Listing - add filtering by titles with 2 or more linked IEs

I also had to change the way the subscriptions filter was working but I think it was for the best.
Merge branch 'newdev' into edina
Titles Listing - Quick Fix

The query run to get num_ti_rows wasn't using the new filter filterMultiIE and was breaking the pagination.
Introduce all packages link to manage menu
Don't display the word null if no value set in simple in place edit