ha: Follow convention for pacemaker resource naming
ha: Do not pass is-managed / target-role meta when creating resources

We are happy with the default values.
Merge pull request #72 from vuntz/ha-convention

Update pacemaker resource names + other conventions for HA
Call neutron-ha-tool with --insecure when needed

This is e.g. when either keystone or neutron are configured with self-signed
certificates.