[OE-3856] table versioning changes for correspondence.
[OE-3856] should inherit from the versioned base model
[OE-3856] changes following devteam discussion
[OE-3856] removed unnecessary archive models
[OE-3856] unrolled version table migration
[OE-3856] correspondence version rows need event_id from the main table
Merge branch 'develop' into feature/table-versioning
[OE-3856] soft deletion
[OE-3856] soft deletion
[OE-3856] consolidated migrations
[OE-3856] removed unnecessary statements
Merge branch 'develop' into feature/table-versioning
Merge branch 'release/1.5' into feature/table-versioning
Merge branch 'develop' into feature/table-versioning
[OE-3914] fixed collation
fixed db references
[OE-3955] Added base JS unit tests
[OE-3955] Moved JS test files into tests dir; added connect grunt task for displaying the test runners (to allow for network operations in the tests)
Merge branch 'feature/jstests' into develop
Merge branch 'develop' into feature/table-versioning