Updated to reflect the following changes:
- Updated to 'Create a volume' procedure to include
* New volumes sources (snapshots and volumes can now be used as sources).
* Using image as source displays new 'availibility zone' field.
- New procedure to edit a volume.
- Note about new option to extend volumes.
- Minor updates like 'Images & Snapshots' to 'Volume Snapshots'.
Partial-Bug: #1307860
Change-Id: I00b937e462898c3a5f8086b90e33c568b8770561
Updated the procedure in the 'Manage volumes' section of the dashboard
chapter of the End User guide.
Partial-Bug: #1279133
Change-Id: Ifaf279bbc965fdd8bff6d2a55ffe824fdc6e2d0f
Comment in "Attach Volumes to instances" ("Manage volumes" section), in
order to inform that device name may not match the one proposed by the user.
This limitation is related to hypervisor settings.
The documentation of this issue was recommended by John Griffith in
https://review.openstack.org/#/c/60257/
backport: havana
Related-Bug: #1217874
Change-Id: Ifa65ec6eecca23e85786b0fd79ae3b8ef8ebd537