update config file to Havana
specify auth_host and auth_port manually

ceilometer seems to ignore the auth_uri and fails back to the wrong
default auth_host

fixes bnc#856276
Following changes were made:
	- Readme actualization in accordance with API v2 functionality.
	- Adding cinder volume related metrics test to a ceilometer smoketest.
Fix list of required RPM packages
Small fix for service name and update config
uncomment explicit definition of messaging service
Configure Lock path for Ceilometer

Otherwise API and Central collector might run into
locking issues.
Remove python client pip. nonPFS contains deb and rpm packages already
remove the dependency on git barclamp
Merge pull request #64 from MirantisDellCrowbar/bug/DCB-228/hydrogen/master

Up to date list of RPM packages
Merge pull request #51 from MirantisDellCrowbar/feature/cinder_volume_metrics/release/hydrogen/master

Updating tempest config to "havana", enabling volume metering
Merge pull request #60 from MirantisDellCrowbar/havana-conf/hydrogen/master

update config file to Havana
fix cumulative metrics