Modify the installation script of nova and glance, include the README files. Change-Id: I477d453526941be8caa3ee89ee20c575067c416b
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.