removed valhalla_mail from valhalla
updated valhalla_volunteers to use new valghalla_mail
removed some old stuff
added volunteers contenttype to volunteers module
added files
a lot of features stuff
updated valhalla_volunteers module, to use new valghalla_mail stuff
Merge branch 'feature/VALG-79_rolespecific_mails' into feature/VALG-12_Choose_time_on_role
updated tokens for time on role
cleanup
merge branches
Merge branch 'feature/VALG-12_Choose_time_on_role' into sprint/before_eu_election_1
Pull from sprint/before_eu_election_1