update lighty.io build for Magnesium support

update lighty.io build for Magnesium support

- update lighy-core branch to 12.1.x
- update dependencies version to 12.1.0
- update functional tests to use lighty executable version 12.1.0
- JAVA 11 support: disable javadoc to allow building directly
  without setting the JAVA_HOME variable
- add transportpcer-networkmodel new dependency
- fix tpce java Main class and utils class

TODO: centralize lighty version configuration
      add tapi and inventory support
      fix functional tests with lighty

JIRA: TRNSPRTPCE-237
Signed-off-by: Guillaume Lambert <guillaume.lambert@orange.com>
Co-authored-by: Balagangadhar Bathula <bb4341@att.com>
Change-Id: Icec9547f5ead4e0abc10cdb67e2e8d8e6055a4ec