[NX-196] Basic Analytics ITs
[NX-196] Fix license headers
NEXUS-6282: Added nullcheck.
[NX-196] Drop test about upload/download as /content/* should not record events
[NX-196] Drop obsolete constants
Merge pull request #372 from sonatype/NX-196-analytics-ITs

REVIEW: [NX-196] Basic Analytics ITs
bump kazuki to pick up 'connection closed' fix
Small fixes related to AnalyticsIT
Merge pull request #375 from sonatype/kazuki-connection-closed-fix

bump kazuki to pick up 'connection closed' fix
Merge pull request #374 from sonatype/NEXUS-6282-nullcheck

NEXUS-6282: Added nullcheck.
Proper name for NFC

This is loosely related to issue NEXUS-6287
and discussion we had with Peter
Merge remote-tracking branch 'origin/master' into timeline-kazuki