[QA] Release 3.1.0 - Part I

List of tickets:
https://tremend.atlassian.net/browse/DIFE-1012
https://tremend.atlassian.net/browse/DIFE-1013
https://tremend.atlassian.net/browse/DIFE-1014
https://tremend.atlassian.net/browse/DIFE-1015
https://tremend.atlassian.net/browse/DIFE-1017
https://tremend.atlassian.net/browse/DIFE-1018
https://tremend.atlassian.net/browse/DIFE-1021
https://tremend.atlassian.net/browse/DIFE-801
https://tremend.atlassian.net/browse/DIFE-853
https://tremend.atlassian.net/browse/DIFE-867
https://tremend.atlassian.net/browse/DIFE-874
https://tremend.atlassian.net/browse/DIFE-885
https://tremend.atlassian.net/browse/DIFE-891
https://tremend.atlassian.net/browse/DIFE-892
https://tremend.atlassian.net/browse/DIFE-901
https://tremend.atlassian.net/browse/DIFE-906
https://tremend.atlassian.net/browse/DIFE-915
https://tremend.atlassian.net/browse/DIFE-923
https://tremend.atlassian.net/browse/DIFE-924
https://tremend.atlassian.net/browse/DIFE-930
https://tremend.atlassian.net/browse/DIFE-931
https://tremend.atlassian.net/browse/DIFE-932
https://tremend.atlassian.net/browse/DIFE-933
https://tremend.atlassian.net/browse/DIFE-935
https://tremend.atlassian.net/browse/DIFE-941
https://tremend.atlassian.net/browse/DIFE-942
https://tremend.atlassian.net/browse/DIFE-943
https://tremend.atlassian.net/browse/DIFE-944
https://tremend.atlassian.net/browse/DIFE-945
https://tremend.atlassian.net/browse/DIFE-946
https://tremend.atlassian.net/browse/DIFE-947
https://tremend.atlassian.net/browse/DIFE-948
https://tremend.atlassian.net/browse/DIFE-949
https://tremend.atlassian.net/browse/DIFE-952
https://tremend.atlassian.net/browse/DIFE-953
https://tremend.atlassian.net/browse/DIFE-956
https://tremend.atlassian.net/browse/DIFE-959
https://tremend.atlassian.net/browse/DIFE-963
https://tremend.atlassian.net/browse/DIFE-965
https://tremend.atlassian.net/browse/DIFE-966
https://tremend.atlassian.net/browse/DIFE-967
https://tremend.atlassian.net/browse/DIFE-972
https://tremend.atlassian.net/browse/DIFE-974
https://tremend.atlassian.net/browse/DIFE-975
https://tremend.atlassian.net/browse/DIFE-976
https://tremend.atlassian.net/browse/DIFE-977
https://tremend.atlassian.net/browse/DIFE-978
https://tremend.atlassian.net/browse/DIFE-979
https://tremend.atlassian.net/browse/DIFE-980
https://tremend.atlassian.net/browse/DIFE-981
https://tremend.atlassian.net/browse/DIFE-982
https://tremend.atlassian.net/browse/DIFE-983
https://tremend.atlassian.net/browse/DIFE-984
https://tremend.atlassian.net/browse/DIFE-985
https://tremend.atlassian.net/browse/DIFE-986
https://tremend.atlassian.net/browse/DIFE-989
https://tremend.atlassian.net/browse/DIFE-990
https://tremend.atlassian.net/browse/DIFE-991
https://tremend.atlassian.net/browse/DIFE-997
https://tremend.atlassian.net/browse/DIFE-999