Remove maximum version requirements for docker-compose so that it
does not require old version recipes.
The old version recipes required are as below.
* PyYAML
* requests
* urllib3
* idna
* jsonschema
The current one has been tested against https://docs.docker.com/compose/gettingstarted/.
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
