A student group filtered by cycle should only check if students have an active registration in that cycle.
Merge branch 'release/3.13.0' into develop
Bumped version for development after release.
Bug fix: the nrOfGroups can be a string, so it just should be displayed
as it is
Merge pull request #597 from davidmartinho/ticket/#427928

A student group filtered by cycle should only check if students have an active registration in that cycle.
Bug fix: Allow students to vote blank on Year Delegate elections
Merge pull request #599 from andre-nunes/ticket/#426187

Bug fix: Allow students to vote blank on Year Delegate elections
Bug fix: even when there is no registration it's necessary to pass on
the bean
Bug Fix: Fix Funtion.canBeDeleted
Bug fix: putting emergency contact bean in the request when going back
to person visualization
Minor change: changed some messages and added a new one
Bug fix: recovered wrongly deleted action class; added missing label and
adjusted the text on some labels
Bug fix: added missing validation and corrected the error messages to be
more explicit
Resolves ACADEMIC-614: Fixes search in customized site pages.

The searchbox in site pages (e.g. department site) was using a resource property with
the hardcode value of the institution url.
Changed it to reference the domain institution url property.

Removed references to fenix.url property and changed them to applicationUrl config property.
Delete unused jsp files.
Refactoring managing of student groups for teachers
Upgraded version of fenixedu-spaces to version 1.3.0
Merge pull request #588 from diutsu/develop

New student groups interface for teachers
Minor change: Scientific council can approve teaching service reduction
fix link to previous migration guide