Add unknown to administrator property
Add administrator for asset migration
Names import from dr1
Do not show roads during initial load
Resolve migration version clash
Merge pull request #170 from finnishtransportagency/migrate-names-from-dr1

Migrate names from dr1
Initial string localization support
Add constraints
Fix migration script
Initial string localization support
Add constraints
Fix migration script
Migrate property names to localized_string table
Fix migration so it uses old schema when moving data
Cleanup
Use localized name in migration script
Merge branch 'localized-string' of github.com:finnishtransportagency/digiroad2 into localized-string