[NEXUS-6687] make timestamp millis, add atom-long based sequence to de-dup
[NEXUS-6687] bring back rolling counter for sequence.  make duration nanos again.  update ui and persistence for new field.
headers
NEXUS-6689: Remote URL Validation
Merge pull request #623 from sonatype/NEXUS-6687-timestamp-millis-sequence-counter-master

[NEXUS-6687] (master) make timestamp millis, add sequence
[NX-536] replace blobstore-file KZ usage with mapdb
m2e lifecycle update

Change that does not affect the build, only makes it
workable in m2e
NX-526: Timeline on OrientDB
Merge pull request #626 from sonatype/NEXUS-6689-remote-url-validation

REVIEW NEXUS-6692: Remote URL Validation
Cleanup org.ops4j.pax.url.mvn.cfg
Merge remote-tracking branch 'origin/master' into NX-380-functional-tests