adding endpoint to get node properties from a cluster.
remove unused code.
The node properties request is now its own object with a
deserializer to avoid custom decoding. Refactored cluster store
to return immutable collections and consolidated a lot of common
code into their own methods.
removing unneeded method and adding class that I forgot to add.
style fix.
copy immutable set from a set instead of list.
remove unintended change.
Import hadoop version 1.0.1
Merge branch 'chef-vendor-hadoop' into feature/update-hadoop-cookbook
Merge pull request #24 from continuuity/feature/update-hadoop-cookbook

Feature/update hadoop cookbook
Merge pull request #6 from continuuity/feature/get-node-properties

Feature/get node properties
Merge remote-tracking branch 'origin/develop' into feature/ability-to-set-host-suffix

Conflicts:
	server/src/main/java/com/continuuity/loom/http/LoomClusterHandler.java
	server/src/test/java/com/continuuity/loom/http/LoomRPCHandlerTest.java