Unit/SONAR/Checkstyle in ONAP-REST

Fourth batch of JPA pojos (N-P), with JUnit added and SONAR/Checkstyle
issues addressed. In cases where a class name change caused an update in
another package, the license header on files for those knock on changes
are not updated.

Issue-ID: POLICY-2131
Change-Id: I9319b514b5c19e6837c34566dde770673d16bca3
Signed-off-by: liamfallon <liam.fallon@est.tech>
91 files changed