Added streams.erl functionality and changed dispatch to use streams.erl
Streams.erl structure done
Search and creating doc with specific id not working yet, some
transformation of return data might be needed
Search and transformation left
Everything appears to work beside not returning correct JSON objects for
all requests.
added tests and documentation for groups.erl
Merge branch 'Sp3.Sc3.$FeatureGroupsUpdate' into develop

Conflicts:
	priv/dispatch.conf