Moved integration classes to core module and renamed it there
 Deleted functional test module (all has been moved into core module)
Introduced 'integration test' task. Jacoco results presented as one HTML report.
Refactored package structure of domain and repositories
Added fileSize to the document
#dox-31 Fixed
File size is now displayed
Added a clean up job for document w/o a file size
Merge branch 'integration-tests'