DO-MTX: Switch from REF-SET to COMMUTE for dummy Ref.
LOG: Fix.
Viewport / networking: Switch back to using Agent for dealing safely with network I/O again.
Not sure what I was thinking here. This work certainly was not completed..
Ref. issue #14.
Merge branch 'master' of 100tb.nostdal.org:/home/fod/cashop/SymbolicWeb