Added popup telling the user collecting the data for the visualization may take a few minutes for large projects.
Added popup telling the user collecting the data for the visualization may take a few minutes for large projects.

ClintonCao/UnifiedASATVisualizer,ClintonCao/UnifiedASATVisualizer,ClintonCao/Contextproject-TSE,ClintonCao/Contextproject-TSE,ClintonCao/Contextproject-TSE,ClintonCao/UnifiedASATVisualizer