Merge pull request #61 from opinsys/extapps

SSO administration (ExternalServices)
Log service activations
rest: return_to without a path gets matched to /
rest: log sso login redirects
display device dn on device page
Update finnish LDAP services translations
fix ExternalService connection for cucumber
rest: enable printer_queues route on cloud&boot
rest: rest puavo-rest.yml from CWD too
helps development
Merge branch 'master' into extapps