Upate docker tags, raw repo locations

1. Update docker tags to the followingi 4 tags:
  imagename:symver-timestamp,
  imagename:symver,
  imagename:symver-snapshot,
  imagename:latest
2. Update dcaegen2 raw artifact location using release tag:
for example ...${reponame}/R2/artifactname...

Issue-ID: DCAEGEN2-206
Change-Id: Iefa8287af713a4bdc6f2a9a8fad99f728ecee1f2
Signed-off-by: Lusheng Ji <lji@research.att.com>
1 file changed