disable editing if application period has ended. localize timestamps
Add raamit to user error page
add test for passed application period
Log omatsivut with INFO
don't allow editing applications that are not 'ACTIVE'
Improve logging
fix cursor for disabled arrow button
Reject application update request if application period has been expired
select the first opetuspiste automatically if there is only one option in the menu
Fix comment
Add aria labels to better screen reader support
Add also index to prefrence aria label
Use only language part of language cookie value

en-US -> en
Merge branch 'master' into feature/preview

Conflicts:
	src/main/less/main.less
	src/main/scala/fi/vm/sade/omatsivut/fixtures/TestFixture.scala
	src/main/scala/fi/vm/sade/omatsivut/servlet/ApplicationsServlet.scala