slight tweak to doc build instructions
big update to the sample brooklyn.properties
Initial work on Riak entities
added customisations and added new live test
added private IP as an EC2 fix
added basic riak cluster control join/leave cluster
fixed debian path problem + added test for GCE
ControlledDynamicWebAppCluster: add SERVICE_STATE

- Was seeing cluster getting "on-fire" icon in web-console sometimes.
  Was probably caused by propagating SERVICE_STATE from cluster
  and SERVICE_UP from load balancer - if values didn't agree then 
  would fail.
- However, before realising that (!) I fixed it by adding SERVICE_STATE
  explicitly in start/stop, in much the same way as AbstractApplication
  does it.
DynamicCluster: fix serviceState order

- Change order of setting SERVICE_STATE and SERVICE_UP. If set 
  RUNNING before serviceUp=true, then web-console infers that as
  a failure and can mark entity as in flames.
removed no shutDown on exit for tests
added RiakClusterExample
removed tearDown override + added cluster checks
added check if Riak node is in cluster before joining
Merge branch 'zaid-riak' of github.com:ZaidM/brooklyn into zaid-riak
minor fixes
added check for node in cluster before leaving
Merge branch 'misc-docs' of github.com:ahgittin/brooklyn into ahgittin-misc-docs

* 'misc-docs' of github.com:ahgittin/brooklyn:
  big update to the sample brooklyn.properties
  slight tweak to doc build instructions

Conflicts:
	docs/use/guide/quickstart/brooklyn.properties
fixed cluster control functionality + minor fixes
added sensors + fixed cluster control + added recovernode effector
Adds ConfigKey for whether created admin user is granted sudo