test deployment in k8s of the monitoring service

submit xml tests to gitla\b

test report.xml monitoring

test report.xml monitoring

fix report.xml in monitoring

Integrate context-testing into develop

See merge request teraflow-h2020/controller!8

Add database/Factory.py missing file

See merge request teraflow-h2020/controller!6

Initial release of context service

See merge request teraflow-h2020/controller!5

Move database to common folder, since it will be used also by device service, and implement very minor changes.