Remove unused keystone params from neutron agents' config files

DHCP, L3 and Metadata agents' config files no longer need to
duplicate this info; it's available in neutron.conf

Change-Id: I7bea25d1c2b9249ddacce3f4638f7a8ed4f43197
Default to xenserver driver if xenserver-core is installed

Fixes bug 1209205

Change-Id: I63085cc87610a59fc48e519e4351c9233b3961be
Support heat in standalone mode.

The following localrc will launch only heat in standalone mode
and allow it to provision within the openstack specified by
the configured keystone endpoint:
HEAT_STANDALONE=True
ENABLED_SERVICES=rabbit,mysql,heat,h-api,h-api-cfn,h-api-cw,h-eng
KEYSTONE_SERVICE_HOST=...
KEYSTONE_AUTH_HOST=...

Change-Id: I0d8a541fc9d592577423b074c789829f8b8d6702
Cinder configuration is not set up for Ceilometer

enable cinder notifications when ceilometer is enabled

Change-Id: I55809f1cef35aca90f8513a73df1417dcf08098d
Fixes:Bug1210269
Enable debug logging on tempest

With tempest moving to testr (serially currently) the log level is no
longer defaulting to debug as it did with nose. To get the same level
of verbosity in the logging as when running with nose this commit
sets the debug flag on tempest.

Change-Id: I6acd57be0f8188d31825d88471ba9883ebb30519
cleanup potentially installed older oslo.config

If the user had oslo.config installed prior to us setting up the
oslo.config out of git they can get themselves into this very funny
situation where pip doesn't see oslo.config 1.1.x, however some
packages might. This manifests itself as a user error trying to
start nova-api which uses DeprecatedOption, not in oslo.config 1.1.x

Because of the funny state pip is in, you can't uninstall oslo.config.

So in these situations, if we see old oslo.config in the filesystem,
pip install / uninstall it to ensure that everyone ends up using the
git version instead.

To reduce the amount of user confusion, do this on every
install_oslo for a while, which we can purge after Havana ships.

Change-Id: If92073be5a431840701c952a194e63a7c452c9ca
Merge "Remove unused keystone params from neutron agents' config files"
Merge "cleanup potentially installed older oslo.config"
Merge "Default to xenserver driver if xenserver-core is installed"
Merge "Support heat in standalone mode."
Merge "Cinder configuration is not set up for Ceilometer"
Merge "Enable debug logging on tempest"