WFE-906 use newer scufl2

.. strangely 0.11-SNAPSHOT should neither have this bug, which was fixed
just after SCUFL2 moved to 0.10-SNAPSHOT.
WFE-906 Use newer scufl2-wfdesc 0.3.0-SNAPSHOT
Refs WFE-907, work nicely if folders already exist.
Revert local settings.
Fixes WFE=910, don't delete the t2flow but rather put it in the folder.
Merge remote-tracking branch 'origin/develop' into wf4ever-master
[maven-release-plugin] prepare release wf-ro-0.7.4