Modify glance sync not auth loc when add glance-loc Change-Id: I3c1ff1c11c688a89700329e679c9301b06e7fa50
Glance Store Patch
we simple modified the following two python file for the cascading need:
- backend.py: add a little code for handling the glance-location;
- _drivers/http.py: alike backend.py, adding some handle logic for glance-location.