rename geocamUtil.zmq -> geocamUtil.zmqUtil to avoid name collision with pyzmq on "import zmq"
runpylint.py: avoid deprecated "-f parseable" option
pylint police
pylint police
rename geocamUtil.gevent -> geocamUtil.geventUtil to avoid name collision on "import gevent"
pep8 police
svg: do not signal an error in unit testing if no svg rendering back end is available