Initial implementation of modules and services and a central websocket server
basic servicing and websockets working
Changed how websockets are routed, streaming service WIP

initial work on streaming cdms matplotlib image as a service
Fixed some streaming bugs WIP, added temp dir
Get data dir from config, use temp dir for image
Streaming via service now working, documentation/cleanup to come
Merge branch 'service_modules' into next

Conflicts:
	.gitignore
	CMakeLists.txt
	geoweb.py
	server.conf.in