Added README with links to branches

README.md

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+# Welcome to a Barclamp for the Crowbar Framework project
+
+**The structure of the branches have been changed. If you are searching for
+[OpenCrowbar](https://github.com/OpenCrowbar) (it's Crowbar v2) please go to
+the new [OpenCrowbar](https://github.com/OpenCrowbar) Github origanization.
+If you are searching for v1 that is still under active development look at
+the list below or go to the [Crowbar](https://github.com/Crowbar) Github
+origanization.**
+
+
+## Current releases
+
+* [Hydrogen](https://github.com/crowbar/barclamp-ApacheHadoop/tree/release/hydrogen/master) (Legacy by DELL)
+* [Roxy](https://github.com/crowbar/barclamp-ApacheHadoop/tree/release/roxy/master) (Current stable branch)
+* [Stoney](https://github.com/crowbar/barclamp-ApacheHadoop/tree/release/stoney/master) (Current development branch)