towards Plato 4.5
samples from content_profile are added without connection to repository!
Query for QA with wildcards on both sides
Removed ssim from ImageComparisonEvaluator fixes #213, Create scale for RMSE, Code cleanup
Move more data from migrated to existing result object fixes #212
fixes #211
increases robustness

* user is logged out after sending bug report, fixes #209
* multiple clicking of "create plan" is prevented, fixes #208
prevents multi click when opening plans