Merge branch 'feature/nat-666-p-to-pe' into 'develop'

...nsible/roles/ibgp_update/templates/nokia/verify_p_ibgp.j2

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

geant/gap_ansible/roles/promote_p_to_pe/README.md

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

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

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

.../roles/promote_p_to_pe/tasks/check_routing_instances.yaml

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

.../roles/promote_p_to_pe/tasks/configure_isis_overload.yaml

geant/gap_ansible/roles/promote_p_to_pe/tasks/deploy.yaml

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

..._ansible/roles/promote_p_to_pe/tasks/merge_variables.yaml

...e/roles/promote_p_to_pe/templates/routers/nokia/cflowd.j2

...les/promote_p_to_pe/templates/routers/nokia/filter_log.j2

...te_p_to_pe/templates/routers/nokia/filters/cpm_filters.j2

...ote_p_to_pe/templates/routers/nokia/filters/fw_filters.j2

...te_p_to_pe/templates/routers/nokia/filters/gen_filters.j2

.../templates/routers/nokia/filters/port_list_definitions.j2

...o_pe/templates/routers/nokia/filters/port_list_entries.j2

...promote_p_to_pe/templates/routers/nokia/ip_prefix_list.j2