[OEM-255] use new printEvent method.
[OEM-255] pass null
[OEM-258] updated API calls and associated tests
[OEM-255] fixed create/modified text on print view.
[OEM-255] fixed created/last modified text on PDF printouts
Merge branch 'jira/OEM-258'
updated release
Merge branch 'master' into feature/glaucoma-2.1