Add ansible provisioning (#122)

* first ansible skeleton

* first commit of ansible installation of vulnwhisperer outside docker

* first ansible skeleton

* first commit of ansible installation of vulnwhisperer outside docker

* refactor the ansible role a bit

* update readme, add fail validation step to provision.yml and fix
typo when calling a logging funciton

ansible/ansible.cfg

@@ -0,0 +1,13 @@
+[defaults]
+inventory=hosts
+remote_user=ubuntu
+roles_path=./roles
+host_key_checking = False
+timeout=30
+retry_files_enabled = False
+
+[ssh_connection]
+ssh_args = -o ControlPersist=15m -F ssh.config -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null
+scp_if_ssh = True
+pipelining = True
+control_path = ~/.ssh/mux-%%r@%%h:%%p