Fix DOTNET_RESTORE_CONFIGFILE documentation
Fix DOTNET_RESTORE_CONFIGFILE documentation

omajid/s2i-dotnetcore,omajid/s2i-dotnetcore,redhat-developer/s2i-dotnetcore,redhat-developer/s2i-dotnetcore,omajid/s2i-dotnetcore,redhat-developer/s2i-dotnetcore