Spec tests
Adapt locale name
Add missed views variables
Add specs
Fix meeting preview
Merge pull request #54 from finnlabs/hotfix/15176_internal_error_clicking_on_preview_for_agenda_or_minutes

[Hotfix] 15176 internal error clicking on preview for agenda or minutes
Merge pull request #53 from slawa85/feature/14902-Link-agenda-email
Adapt version to corresponding OpenProject core version.
Update stable to v3.0.12