Added current build of Clojurescript

removed 0.0-2173 which was actually not 2173 but slightly newer from a
recent pull of the repo. I don't think anyone is using these yet so it
should be okay to keep current.
Open README in Visual Studio instead of notepad
Still tweaking the README open code
Move UnzipRuntimes function call

Make sure UnzipRuntimes is called after the runtime path has been set.
Merge pull request #151 from frankhale/myBranch

Open README in Visual Studio on first install / Update Clojurescript runtime