Improve vagrant testing and ansible setup

It is easier now to git clone the repository and to run your first
environment without extra configuration.

Signed-off-by: Sébastien Han <sebastien.han@enovance.com>

.ansible.cfg

@@ -0,0 +1,9 @@
+[defaults]
+host_key_checking = False
+remote_user = vagrant
+hostfile = hosts
+log_path = ansible.log
+ansible_managed = Ansible managed: modified on %Y-%m-%d %H:%M:%S by {uid}
+private_key_file = ~/.vagrant.d/insecure_private_key
+error_on_undefined_vars = False
+forks = 6

rc

@@ -1 +1 @@
-export ANSIBLE_CONFIG=~/.ansible.cfg
+export ANSIBLE_CONFIG=.ansible.cfg