fix(controller/tests): add fleet socket to controller tests
ref(user-data): switch get_image to use /deis/platform/version
Merge pull request #2099 from carmstrong/controller_test_fleet_socket

fix(controller/tests): add fleet socket to controller tests
Merge pull request #2129 from gabrtv/platform-version

ref(user-data): switch get_image to use /deis/platform/version