Migration to TAPI 2.4 Step1

- Migration of transportpce-tapi to TAPI2.4, including code and tests
- Integrate change of nbi-notification performed in change 106484 to
simplify merge
- Compilation succeeds for tpce-tapi, but fails at tpce-nbinotifications
for which migration is planned in Step2

JIRA: TRNSPRTPCE-735
Change-Id: I7a8580a5d77b80346186084b134a3d42e1c24332
Signed-off-by: orenais <olivier.renais@orange.com>