Merge branch 'hotfix/0.7.5.3'
Deps array should be outside of the for loop
Transifex has changed their domain
Bump version
Grouping to solve parent group filtering breaks on Postgres. Revert (refs #687).
don't confuse field_index with field_id
Fix various issues regarding groups management; fixes #686
Groups manager rights, refs #499, #686

Disable delete, mailings and csv exports buttons on members list.
Allow attendance sheet, labels and card generation.
Missing tooltips JS import
Display group composition buttons for admins and staff only; fixes #709
Cannot proceed mulitple joins on the same name; fixes #712
Constraint is missing for Postgres databases, do not try to remove it; fixes #681
Restrict some dirs
Only admins or staff can create new groups; refs #709
Update changelog
Merge branch 'hotfix/0.7.5.4' into develop