Merge branch 'feature/nat-1117-sdp-rework' into 'develop'

geant/gap_ansible/playbooks/update_pe_sdp_mesh.yaml

geant/gap_ansible/roles/sdp/README.md

geant/gap_ansible/roles/sdp/defaults/main.yml

geant/gap_ansible/roles/sdp/handlers/main.yml

geant/gap_ansible/roles/sdp/meta/main.yml

geant/gap_ansible/roles/sdp/tasks/compile.yaml

geant/gap_ansible/roles/sdp/tasks/connection_tasks.yaml

geant/gap_ansible/roles/sdp/tasks/main.yml

geant/gap_ansible/roles/sdp/tasks/merge_vars.yaml

geant/gap_ansible/roles/sdp/tasks/push_config.yaml

geant/gap_ansible/roles/sdp/tasks/standard_tasks.yaml

...les/sdp/templates/routers/nokia/add_pe_to_sdp_mesh/sdp.j2

...dp/templates/routers/nokia/remove_pe_from_sdp_mesh/sdp.j2

geant/gap_ansible/roles/sdp/vars/main.yml