Slighly refactored ControllerAdvices to include handling of Spring's
HTTP Exceptions. This fixes 500 status codes being sent instead of the
correct one.

Fixes GH-67.

Backport of d052fd73.

Fixes regression introduced by commit
c88cce27.

fix exporting all answers on session export

See merge request !93

Migration version now falls back to -1 if no document exists.

Limit logging for profile handling to WARN level for privacy reasons.

* Adjust stages to increase parallelization
* Run SonarQube at the end and adjust dependencies so it has all data
  available

GitLab can handle this w/o scripting by now.

Refactored deployment script to allow flexible deployments for different
hosts and environments.

Marius Renner authored 7 years ago and Daniel Gerhardt committed 6 years ago

Cast int to double before division to avoid truncation of the division
result. Changed corresponding test so that it fails with the old
implementation.

Cherry-picked and backported from GH-52.