Update travis configure to allow 1.8.7 failures for the moment.
Implement mocks for core Object Storage requests.
Rename variables in get_object_https_url request.
Rename variables in post_set_meta_temp_url_key request.
Implement tests for Object Storage: auth tests, container tests, object tests.
Merge branch 'master' of github.com:softlayer/fog-softlayer