Added new default attributes for HA

* new ceilometer attribute for "ceilometer-api"
* new ceilometer-central-agent attribute for "ceilometer-central-agent"
* new heat-api attribute for "heat-api"
* new heat-cfn-api attribute for "heat-cfn-api"
* new heat-api-cloudwatch attribute for "heat-api-cloudwatch"

The new vip attributes have matching HA service attributes.

The ignored service list used in the default recipe is now a node attribute.