Ensure that files is the right type, and that we send the formatted personality var

lib/ansible/modules/cloud/rax_scaling_group.py

@@ -225,7 +225,7 @@ def rax_asg(module, cooldown=300, disk_config=None, files={}, flavor=None,
                                launch_config_type='launch_server',
                                server_name=server_name, image=image,
                                flavor=flavor, disk_config=disk_config,
-                               metadata=meta, personality=files,
+                               metadata=meta, personality=personality,
                                networks=nics, load_balancers=lbs,
                                key_name=key_name, config_drive=config_drive,
                                user_data=user_data)
@@ -317,7 +317,7 @@ def main():
             config_drive=dict(default=False, type='bool'),
             cooldown=dict(type='int', default=300),
             disk_config=dict(choices=['auto', 'manual']),
-            files=dict(type='list', default=[]),
+            files=dict(type='dict', default={}),
             flavor=dict(required=True),
             image=dict(required=True),
             key_name=dict(),