to create user for upload at virtuoso in installation

[Jan-Marcek]

[skrchnavy]

@Jan-Marcek please better description is necessary

[Jan-Marcek]

We could generalize this issue into: sso for virtuoso. Where midpoint will be responsible for user provisioning at virtuoso. Please make decision if we want this

[skrchnavy]

@peterklimo please comment if we can integrate virtuoso with CAS.