Secret voting (hhucn/adhocracy.hhu_theme#209)
Add a configuration option that should prevent users from seeing individual votes (Experimental)
Do not emit voting events when secret voting is active (hhucn/adhocracy.hhu_theme#209)
Remove unused import
Merge remote branch 'origin/develop' into secret-voting
Change adhocracy.secret_voting to adhocracy.hide_individual_votes
Merge remote branch 'origin/develop' into alternative-login-form

Conflicts:
	buildouts/hhu.cfg