Added automx support.

see #98

modoboa_installer/scripts/files/uwsgi/modoboa.ini.tpl

@@ -0,0 +1,14 @@
+[uwsgi]
+uid = %app_user
+gid = %app_user
+plugins = python
+home = %app_venv_path
+chdir = %app_instance_path
+module = instance.wsgi:application
+master = true
+processes = %nb_processes
+vhost = true
+no-default-app = true
+socket = %uwsgi_socket_path
+chmod-socket = 660
+vacuum = true