Updates for Object Storage

- Replaces old diagram, updates with network diagram combined (needs work)
- Fixes missing Ubuntu package name
- Fixes lack of regions mention
- Various captialization and style guide updates
Closes-Bug: 1285623
Closes-Bug: 1298508

Change-Id: Ibcfc05a1e1bfbcf2a7e119a6baae44eb8c8c8918
Merge "Updates for Object Storage"