Added support for custom User-agent
Minor aesthetic changes
FIX throttling harness test
FIX harness test to conform to new user-agent
Merge branch 'develop' into feature/user-agent_in_notifications
Merge branch 'develop' into feature/user-agent_in_notifications
ADD HTTP header Accept: application/xml, application/json
Update harness tests for new header
Merge pull request #95 from telefonicaid/feature/user-agent_in_notifications

Feature/user agent in notifications