Refs #4040, #4041, fix regression in default sort column of goals table.
Add more goals table screenshots to UIIntegrationTests.
Refs #4040, #4041, move AllColumns ViewDataTable & Goals ViewDataTable logic to HtmlTable visualization class & remove those classes. Revised the way visualizations default/override view properties. Cleaned up the ViewDataTable class a bit. Added base type for datatable visualizations.