[SCAL-325] Show nice error in sm_dialog whether experiment is not existing
[SCAL-325] Checking whether record.experiment is not null
Merge branch 'development' into show-nice-error-in-dialog-for-nonexistent-experiment
Merge pull request #35 from Scalarm/show-nice-error-in-dialog-for-nonexistent-experiment

[SCAL-325] Show nice error in dialog for nonexistent experiment