Merge pull request #94 from senseobservationsystems/develop

Merge Develop
Merge pull request #97 from senseobservationsystems/develop

Develop
added extra interval for sync rate
Merge pull request #98 from senseobservationsystems/feature-15min-syncrate

added extra interval for sync rate
Merge pull request #99 from senseobservationsystems/master

update the develop branch