workflows: alternative RT queue from config

* NOTE now you can set CFG_BIBCATALOG_QUEUES on your local
  invenio.cfg to create tickets always in that queue instead of
  other defined queues passed to `create_ticket()`.

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
deposit: formatting fix for literature

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
workflows: show comments and references from user

* Show comments and references from the user for object with
  `workflow.object_type == "submission"`.

* Re-arranges the information on the detailed pages using tabs.

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
workflows: handle logging of Unicode chars

* Encodes the string sent to the object logging when creating
  and replying to tickets.

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>