Prototype for access policy system
Translations
Merge branch 'master' into ap2

Conflicts:
	voteit/core/locale/sv/LC_MESSAGES/voteit.core.mo
	voteit/core/locale/sv/LC_MESSAGES/voteit.core.po
	voteit/core/locale/voteit.core.pot
Merge branch 'ap2'

Conflicts:
	voteit/core/locale/sv/LC_MESSAGES/voteit.core.mo
	voteit/core/locale/sv/LC_MESSAGES/voteit.core.po
	voteit/core/locale/voteit.core.pot
Invite only needs a template to show that a meeting is closed
Cleanup and fix of relevant tests