Merge remote-tracking branch 'upstream/2.1' into 2.1
Merge remote-tracking branch 'upstream/2.1' into 2.1
Add query parameter on request header.

Tested by setting measurment system in request header
rename method setAddParameters() to setParameters
Merge pull request #16 from rajnikumari/2.1



Add query parameter in request header.
Tested by setting measurment system in request header