Search bar and advanced search criteria for #103 & #104
Merge remote-tracking branch 'remotes/origin/Dolphins' into D/feature/#104
Made advanced search filters collapsible
Merge branch 'Dolphins' into D/feature/#104
Adapted changed requirements
UI improvements for #104
DateTimePicker for #104
Merge remote-tracking branch 'remotes/origin/Dolphins' into D/feature/#104

Conflicts:
	Gemfile
	Gemfile.lock
	app/assets/stylesheets/application.css
Own event filter working
clean up
Merge remote-tracking branch 'remotes/origin/Dolphins' into D/feature/#104

Conflicts:
	app/assets/javascripts/events.js
	config/locales/views/event.de.yml
migrate
Merge pull request #184 from hpi-swt2/D/feature/#104

#103 & #104