travis: removal of Python 2.6

* Removing python 2.6 from the test matrix as it times out.

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>
linkbacks: fix external url creation

* Amends 4755a50867bd34a8debb4b87d952e72b931eefbc.  (addresses #1707)

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
docs: typos and fixes

Signed-off-by: Ivan Masár <helix84@centrum.sk>
workflows: hotfix unittest

* Improves tests stability.

* Simplifies workflow engine.

* Fixes the endlessy working workflow engine bug.

* Reduces log produces by workflows unit tests.

* Inverts arguments in test to expected val, current val.

Signed-off-by: Guillaume Lastecoueres <guillaume.lastecoueres@cern.ch>
Co-authored-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
Reported-by: Yoan Blanc <yoan.blanc@cern.ch>
Tested-by: Yoan Blanc <yoan.blanc@cern.ch>
workflows: dataTables to 1.10

* Using greut/Plugins instead of DataTables/Plugins.

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>
bibclassify: update everywhere

* PEP8 and style updates.
* FIXME
formatter: update something

* FIXME
workflows: Holding Pen change

* FIXME
workflows: improve error messages

* Properly sets error messages upon unexpected errors during
  workflow execution.

* Integrates the error messages into the Holding Pen detailed
  view of an object.

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
workflows: change to panel style
workflows: actions changes and details fixes

Co-authored-by: Guillaume Lastecoueres <PX9e@gmx.fr>