Fix aggregates tests
The functionality is changed. The total are not calculated server side.
manualy merge
Merge branch 'master' of github.com:molgenis/molgenis
Merge branch 'master' of github.com:molgenis/molgenis
Merge branch 'master' of github.com:molgenis/molgenis
Fix activation checkbox; refactoring;
Unique columns in MysqRepository
Fix change group membership checkbox
Added unique columns
Fix validation for JPA
Fix forms
Fix forms (disabled fields are not submitted)
Merge branch 'master' of https://github.com/molgenis/molgenis
Check for null
Merge pull request #1939 from dennishendriksen/master

M2838 Add null column to aggregates for nillable attributes
fix checkReadonlyByUpdate
Merge pull request #1936 from erwinwinder/master

Unique columns in MysqRepository
Remove test
merge
Merge pull request #1944 from jjettenn/master

Checkbox User Manager