Create the tableau charts using the new event type

After completing Incorporate new event type in the Rails backend (#521631 - closed) • Julian Thome • 17.11 • On track and Update semgrep and GLAS analyzers to provide ne... (#521633 - closed) • Julian Thome • 18.0 • On track we should be able to access the data through Tableau now.

In this issue we are creating the charts as documented in Mock-up charts (#521623 - closed) • Julian Thome • 17.10 • On track within Tableau.