Confirmation page now shows different message for different response codes.
Omnikassa is almost ready.
Merge branch 'master' of github.com:HogeschoolLeiden/website

Conflicts:
	site/src/main/webapp/WEB-INF/tags/tags.tld
fix GenericOverview after change in prototype
Merge branch 'master' of https://github.com/HogeschoolLeiden/website
Merge branch 'master' into html-changes

Conflicts:
	site/src/main/webapp/WEB-INF/tags/tags.tld