Add basic relation between resource and stream
Merge branch 'develop' into sp3.sc3.stream_resource_relation
Merge branch 'develop' into sp3.sc3.stream_resource_relation
Merge pull request #17 from projectcs13/sp3.sc3.stream_resource_relation

Sp3.sc3.stream resource relation
Merge branch 'develop' of github.com:projectcs13/sensor-cloud-website into sp3.sc2.proj_struct