Add Orchestration attributes to attribute file
Add Orchestration attributes to attribute file

Add Orchestration endpoint and database attribute to default attribute file,
which will be used by orchestration cookbook

Implements: blueprint heat-support

Change-Id: Ib6aa3f4e9346992308676e041ab2f0a0397abeac

craigtracey/cookbook-openstack-common,SpringerPE/cookbook-openstack-common,krtyyy/cookbook-openstack-common,openstack/cookbook-openstack-common,krtyyy/cookbook-openstack-common,tomzo/cookbook-openstack-common,krtyyy/cookbook-openstack-common,openstack/cookbook-openstack-common,mancdaz/cookbook-openstack-common,tomzo/cookbook-openstack-common,tomzo/cookbook-openstack-common