Pass `LANG` (for Travis CI) and `SSH_AUTH_SOCK` from invocation to test environment.
Pass `LANG` (for Travis CI) and `SSH_AUTH_SOCK` from invocation to test environment.

ic-labs/django-icekit,ic-labs/django-icekit,ic-labs/icekit-events,ic-labs/django-icekit,ic-labs/icekit-events,ic-labs/django-icekit,ic-labs/icekit-events