Remove the dependency on SDC artefact generator core and incorporate the TOSCA parsing code from that project.
- rename the group ID to org.onap.aai to align with other A&AI artefacts
- make the POM version 1.2.0-SNAPSHOT to align with other Beijing release artefact versions
- update the Copyright years within the License headers
- remove the com.mycila license plugin which was used previously to automatically apply the license text