renamed:    ../make_servers_sshable.yml -> ../make_servers_sshable_by_sysadmin.yml
	renamed:    make_servers_sshable/tasks/main.yml -> make_servers_sshable_by_sysadmin/tasks/main.yml
Make hosts can access on each other.

See intructions in README.md.

	modified:   .gitignore
	new file:   fetch_public_keys.yml
	new file:   make_servers_sshable_by_each_other.yml
	new file:   roles/fetch_public_keys/files/generate_key.sh
	new file:   roles/fetch_public_keys/tasks/main.yml
	new file:   roles/make_servers_sshable_by_each_other/files/known_hosts
	new file:   roles/make_servers_sshable_by_each_other/tasks/main.yml
	new file:   scripts/README.md
	new file:   scripts/collect_hosts_pub_keys.sh
Updated.