Changed so that _rank takes a JSON object with the fields 'user_id' and 'ranking' instead of URL parameters
Merge pull request #168 from projectcs13/Sp7.Sc1.change_rank_request

Changed so that _rank takes a JSON object
Merge branch 'develop' of https://github.com/projectcs13/sensor-cloud
into Sp7.Sc2.make_sure_username_unique

Conflicts:
	src/streams.erl
	test/streams_tests.erl