Added some mockup objects to make it easier to run in 'simulation' mode.
Updated the GUI-file so that it uses that mockup hardware objects.
Improved the API and extended the example, Also fixed broken import.
Giving each node added a id.
Adapted the EnergyScanQueueEntry to changes in the model.
Added check for collect hardware object, in DataCollectionQueueEntry.
Improved the API of the XMLRPCServer,
see code documentation for more information.
Added the possibility to get a node from an id and add a child to a node
with a specific id.
Added is_executing method.
Removed comment disabling the XMLRPC server.
Submodule updtes
Merge branch 'master' of github.com:mxcube/mxcube

Conflicts:
	HardwareObjects/XMLRPCServer.py
Added some documentation.