Returns now the holderName for filter
Fix for old issue #186
Tidy-up of annotation/access point/linking functionality.
 - add an action to remove both an access point and a link in one
   call
 - minor cleanups to admin access point JS
 - expand auth action composition helpers to they handle JS
 - resolve several TODOs in the Linking controller trait
Merge branch 'tooltip' of https://github.com/PonteIneptique/docview into merge_thibault
Minor cleanups and fixes to tests
Merge branch 'master' into merge_guides