Fixed bug in IUVisualizerService (CTL-476)

See https://catelproject.atlassian.net/browse/CTL-476
Merge pull request #25 from galead/develop

Fixed bug in IUVisualizerService (CTL-476)
(x) CTL-476 Exception in BootstrapperBase.RunWithSplashScreen<>()
Merge remote-tracking branch 'upstream/develop' into develop