Expose "Setup Internal DNS" as config key
Bootstrap install of brooklyn, for launching CDH
bootstrap launcher: Use catalog.xml from src/main/resources
Set BindDnsServer.REPLACE_RESOLV_CONF
vcloud bootstrap: convenience scripts for launching
Cloudera app: startServices etc in start() rather than in main()

- so works with `brooklyn launch`, through catalog
Fix worker-node managedHostId

- prefer LOCAL_HOSTNAME (if it's set and matches MANAGED_HOSTS entry)
Expose ClouderaService.create as effector
Bootstrapper: disable port_mapper

- changed DNAT in vcloud vorg to use 8081, so mapper not needed
- TODO delete rather than comment out!
cdh-manager selinux: workaround when disabling

- because reboot can reset the /etc/resolv.conf which may have been
  set for internal DNS, ensure that we only allow internal-dns to be
  triggered after reboot.
Add SECONDARY_DISK_SIZE as config to CDH cluster
cdh@vcloud: incorporate review comments
bootstrap-vcloud: incorporate review comments
Merge pull request #9 from aledsage/update/brooklyn-060-SNAPSHOT-vcloud-bootstrap

for supporting vcloud