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
improves management of notifications
improves admin utils and conversationhandling
* saving or discarding changes in Group-view no longer redirects to index page..
* if new plan is chosen, already running conversations are ended (and the corresponding plan is closed) fixes #168
moves general descriptions to separate files
updates readmes
Removed broken links for now.
Separated contribution information from README.
Added page header to CONTRIBUTE.md
Added header to MORE.md.
Corrected typos and amended for readability.
Corrected typos.
Corrected typos.
Removing unnecessary more tab and markdown file.