workflows: bibholding pen improvement

* Fixes range selection.

* Changes name of tags.

* Fixes tags filtering.

* Adds 'NEW' tag for initial bibworkflow state.

* Fixes the ctrl + a shortcut.

* Fixes full selection.

* Fixes CSS missing for bootstrap input tags.

* Fixes tags appearing in Search field.

* Simplifies some code.

* Adds tag color.

* Fixes the fact that the number of displayed was hardcoded
  to allow everything to work whatever is the number of
  rows.

Signed-off-by: Guillaume Lastecoueres <guillaume.lastecoueres@cern.ch>