Check for video path before starting: closes #5
Check for video path before starting: closes #5

AstroHuntsman/POCS,panoptes/POCS,AstroHuntsman/POCS,panoptes/POCS,AstroHuntsman/POCS,panoptes/PEAS,panoptes/POCS,panoptes/POCS,panoptes/environmental-analysis-system,AstroHuntsman/POCS