fix convertVolumeMounts method in buildpack_recipe_builder to expect mount_config as an object (not a string) [#119780891](https://www.pivotaltracker.com/story/show/119780891)
fix convertVolumeMounts method in buildpack_recipe_builder to expect mount_config as an object (not a string)
[#119780891](https://www.pivotaltracker.com/story/show/119780891)

cloudfoundry-incubator/runtime-schema