Parameterize mvn repo urls and proxy settings

This allows the users to build the docker images for drools-pdp
and drools-application using their own CI pipelines if needed.

Issue-ID: POLICY-2330
Signed-off-by: Rashmi Pujar <rashmi.pujar@bell.ca>
Change-Id: I9ea0161b45d504be4e65a21c95e48dee4a78de3a
6 files changed