Fixed erlang install script, it didn't work properly before. Now it seems to work properly
Readded rebar to the project. My problem with rebar before was because I had an old version of erlang installed (because the install script was not working properly)
Small change in add_fields to handle valid JSON objects
Merge pull request #39 from projectcs13/sp4.sc2.fix_to_handle_json

Small change in add_fields to handle valid JSON objects
Merge branch 'develop' of github.com:projectcs13/sensor-cloud into
Sp4.Sc1.resource_test

Conflicts:
	rebar.config