Use ansible instead of scp.
Use ansible instead of scp.

Ansible will use the correct ssh params so that we don't have to worry about host key checking
which will become a problem as we build sandboxes at the same domain more than once.

Also check the return code to make sure it succeeded.

IONISx/edx-configuration,IONISx/edx-configuration,IONISx/edx-configuration,IONISx/edx-configuration