Use region from keystone settings

The keystone barclamp got the possibility to set a custom region
name. This name must be used by other barclamps as well.

related to: https://bugzilla.novell.com/show_bug.cgi?id=896481
Merge pull request #236 from toabctl/add-region-support

Use region from keystone settings
Add region param for CLI usage

Use the custom region name when the CLI is used.

related to: https://bugzilla.novell.com/show_bug.cgi?id=896481
Quote glance CLI arguments
Merge pull request #238 from toabctl/region-cli-params

Add region param for CLI usage
Use internalURL endpoint for cinder

We want the traffic to stay on the admin network.
Properly set cinder_api_insecure setting
Merge pull request #240 from dirkmueller/master

Cinder backend fixes
Port to Juno config

Adjust templates for Juno.
Merge pull request #239 from toabctl/juno-config

Port to Juno config (WIP)
Fix typo
Merge pull request #242 from dirkmueller/master

Fix typo