Fix compose on Manjaro.

provision

@@ -1,3 +1,3 @@
 #!/bin/bash
 
-ansible-playbook site.yml --connection paramiko --inventory hosts --become --ask-become-pass $*
+ansible-playbook site.yml --inventory hosts --become --ask-become-pass $*

roles/docker_compose/tasks/manjaro.yml

@@ -1,4 +1,14 @@
+- name: install Python pip
+  pacman: name=python-pip
+  tags:
+    - docker_compose
+
+- name: uninstall pacman Docker Compose
+  pacman: name=docker-compose state=absent
+  tags:
+    - docker_compose
+
 - name: install Docker Compose
-  pacman: name=docker-compose
+  pip: name=docker-compose=={{ docker_compose_version }} executable=pip
   tags:
     - docker_compose