UD-259: fix changing workspace member role.
Merge pull request #91 from stephanedaviet/ReworkImport

Rework project import for on-boarding
CDEC-81 remove C2 comment at top UD
Fix UD-273 Last bugs and enhancements

Add icons and fix styling of import and fix bugs on import Git and Zip
Fix UD-276 Report GitHub authentication failure

GitHub authentication failure is now handled and user can retry.