prefer befor over before(:each) in database_cleaner config
remove unused helper files and corresponding specs
remove unused calendar index view spec
add application_form_mailer spec
use Faker instead of custom-email generator in recepients spec
add teams association to event
add application_form_helper spec
prefer before over befor(:each) and before(:all)
cleanup spec helper
enable randomly failing spec so we can fix them in the long run
add specs for activity-scopes
update gems
add conference specs
use build_stubbed instead of create in Conference spec
add comment controller spec
add submission_worker specs
use logger instead of puts
clean out sources with an empty url
use .fetch for cleaning out sources
show private information for users again