QueueManager log that error occurred in reading instead of writing.

Change-Id: I65d2d2239cd835fbd13a788c99ae6c49a6a1d416
Create local server directories when required.

.molequeue/local
.molequeue/local/jobs

Change-Id: Ibf2090eda38e94356c799eab9c7a2e4c023a2dda
Update Python client for ZMQ API change.

This automatically returns the singleton IOLoop instance, as in the
pyzmq-14.0.1 ZMQStream implementation.

prevents:

  TypeError: __new__() takes exactly 1 argument (2 given)

Change-Id: I901bb22569059e35c02fd08fc77832075cff44a9
Merge topic 'test-job' into master

85ec27b7 Update Python client for ZMQ API change.
c337da91 Create local server directories when required.
02305244 QueueManager log that error occurred in reading instead of writing.