Refactor trending report
#694 was unable to reproduce
Fixing: Compliance Report and Analytics Report do not display correctly when only one scan is present.
Fixing #716: Problems trending graph PNG from Trending and Compliance Pages.
Adding Ids for html elements in reports #720
TPP in CLI : displaying team name with no applications #709
#717 recalculate 'Average Time To Close' on Snapshot tab
#722 update query condition to start date and end date
Updated version number to 2.2
Updated version to 2.2-snapshot
Adds initial aspect-based event commit
Adds working activity feed with no frontend and only support for scan uploads.
Adds feed to application detail page UI.
Updates activity model to support comment submission
Adds activity feed to dashboard
Adds format string
Adds DefectTrackerProjectMetadataEvent.java and related classes
Adds PreDefectSubmissionEvent
Closes #719 by removing the UI elements from the event model.
Create Payment Card Industry (PCI) report
Merge branch '2.2i4' of https://github.com/denimgroup/threadfix into 2.2i4