Fix OMERO.matlab delete functions using omero.cmd.DoAll

Replace deprecated queueDelete() list using omero.cmd.DoAll() and add list of
delete commands to the DoAll requests
Remove reference to docgen, LIB
Remove docgen folder

The documentation has been moved to ome-documentation.
Remove unused files.
Remove doc targets.
Remove reference to docs in the build.
Remove reference to CVS.
Remove reference to the docs folder.
Update dev_4_4 submodules
Merge pull request #1333 from sbesson/11168_matlab_delete

Fix OMERO.matlab delete functions using omero.cmd.DoAll
Merge pull request #1376 from jburel/insight-doc

Insight doc
Merge pull request #1383 from snoopycrimecop/merge/dev_4_4/submodules

Update dev_4_4 submodules