doc: update README.md to reflect repo usage

Update README.md to reflect that repo is for
ABI stable PoC as opposed to core addon
examples.

Author: mhdawson

README.md

@@ -1,15 +1,12 @@
-Node.js Addon Examples
-======================
+Node.js Addon Examples - ABI Stable PoC
+=========================================
 
-See the Node.js C++ [addons page](http://nodejs.org/docs/latest/api/addons.html) for details of the examples here.
+This repository is the home of the Addon Examples as extended
+for the proof of concept work being done to develop an ABI
+stable API for use my node modules.
 
-Each directory contains a subdirectory for:
-
-* **Node 0.10**: Mostly compatible with Node 0.8 and even 0.6, older style V8 programming
-* **Node 0.12**: Newer style V8 programming, compatible with Node 0.11+
-* **NAN**: The example rewritten using [NAN](https://github.com/rvagg/nan/) for compatibility with Node 0.8 -> 0.11+
-
-You will need [node-gyp](https://github.com/TooTallNate/node-gyp/) installed as a global:
+For more details please read the node-eps covering this effort.
+The current PR for the eps is: https://github.com/nodejs/node-eps/pull/20
 
 ```text
 $ sudo npm install node-gyp -g