Merge pull request #154 from jsuchome/prevent_logging_to_console

Do not log to stderr (additionally to the log file), bnc#879095
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 #156 from toabctl/add-region-support

Use region from keystone settings
[SUSE] Added tech preview message for mongodb