Update README.md

It's not "Linux 12.04", it's "Ubuntu 12.04" (or "Ubuntu Linux 12.04")
Merge pull request #58 from rb2k/patch-1

Update README.md
Implementation of BatchSpout proxy class
Add JRubyBatchSpout to Topology Launder
Add support for linear DRPC to redstorm
Support more the one bolt in LinearDRPC, add support for grouping
Refer to LinearDRPCTopologyBuilder by it's global namespace name
WIP attempt to build a proxy class generator
Further updates to proxy class generator
Generator correctly handles Trident Function, created proxy class for Trident Functions