Update oparent version

Update oparent version to 2.0.0 which supports
global-jjb maven-stage job.

Change-Id: Id884892faa845222920bff589f53c7558531d9f9
Issue-ID: CIMAN-234
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
3 files changed