Merge pull request #571 from sbesson/rebased/dev_4_4/11681_tobytearray

Document latest OMERO.matlab functions (rebased onto dev_4_4)
Merge pull request #587 from sbesson/rebased/dev_4_4/cli_docs

Improve description of CLI usage as a client (rebased onto dev_4_4)
Merge pull request #588 from hflynn/va_update

Removing final ref to logging in as root
Remove reference to toByteArray() function for 4.4.9 doc release
Merge pull request #592 from sbesson/449_matlab_fixes

Remove reference to toByteArray() function for 4.4.9 doc release