Changed timestamp to the agreed format, YYYY-MM-DD'T'HH:MM:SS.mmm and
moved the timestamp generation function to api_help
Added some documentation
Merge branch 'develop' of https://github.com/projectcs13/sensor-cloud
into Sp6.Sc2.change_timestamp_format

Conflicts:
	src/datapoints.erl
Merge pull request #135 from projectcs13/Sp6.Sc2.change_timestamp_format

Changed timestamp to the agreed format,