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
Remove TS item on setting cinder simple scheduler

The Chance and Simple schedulers of cinder are now deprecated, setting
them will just default to the Filter scheduler anyway. This patch
deletes a Troubleshooting section advising users to set the Simple
scheduler (specifically,
doc/admin-guide-cloud/section_ts_failed_sched_create_vol.xml).

Partially implements bp: deprecate-chance-and-simple-schedulers

Change-Id: I1155358c6c11c54432d720a2eca78b6fe3174951
Imported Translations from Transifex

Change-Id: I8ae2f62fe86e958a5eeb4be355c00cb338633e44
Merge "Updates for Object Storage"
Merge "Remove TS item on setting cinder simple scheduler"