Vagrant box for development use.

vagrant up onosdev sets up a vm with three lxc instances
which should be used with the lxc cell.

Change-Id: I18b5cc5366efc61f05063798b498559eb49a8eff
diff --git a/tools/dev/vagrant/ansible/ansible.cfg b/tools/dev/vagrant/ansible/ansible.cfg
new file mode 100644
index 0000000..bd331b2
--- /dev/null
+++ b/tools/dev/vagrant/ansible/ansible.cfg
@@ -0,0 +1,9 @@
+[defaults]
+callback_plugins=/etc/ansible/callback_plugins/
+host_key_checking=False
+deprecation_warnings=False
+
+[privilege_escalation]
+become=True
+become_method=sudo
+become_user=root