Reinstate the syncmedia command

This commit reinstates the syncmedia command.  It is useful for people
who are deploying with other WSGI servers such as Gunicorn.
Merge pull request #23 from knabar/fix-11588-config-get

Fix "config get" bug
Merge tag 'mainline_5_m002' into mainline_5

Merge point from upstream to be used for branch targeting
Merge remote-tracking branch 'glencoesoftware/mainline_5' into reinstate-syncmedia

Conflicts:
	components/tools/OmeroPy/src/omero/plugins/web.py
Merge pull request #1790 from chris-allan/reinstate-syncmedia

develop: Reinstate syncmedia command