Use version 2.2.1 of parent pom

Use version 2.2.1 of parent pom to pick up change to ccsdk.sli.version

Issue-ID: CCSDK-3444
Signed-off-by: Dan Timoney <dtimoney@att.com>
Change-Id: I5e26185dc779a61184236567403f971e1dc16fe7
154 files changed