JUnit/SONAR/Checkstyle in ONAP-REST

Third batch of JPA pojos (E-M), 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: I4fee1e9fb9c8a69dd6f2f15d3e3a8844473b857b
Signed-off-by: liamfallon <liam.fallon@est.tech>
49 files changed