A few doc changes for consistency across repos. (envoyproxy#235)

CONTRIBUTING.md

@@ -1,37 +1,5 @@
-# Contributing guidelines
+# Contribution guidelines
 
-So, you want to hack on the Istio Proxy? Yay!
-
-- [Contributor license agreements](#contributor-license-agreements)
-- [Contributing a patch](#contributing-a-patch)
-
-## Contributor license agreements
-
-We'd love to accept your patches! Before we can take them, you have to jump a
-few legal hurdles.
-
-Please fill out the [Google CLA](https://cla.developers.google.com).
-
-Once you are CLA'ed, we'll be able to accept your pull requests. This is necessary
-because you own the copyright to your changes, even after your contribution
-becomes part of this project. So this agreement simply gives us permission
-to use and redistribute your contributions as part of the project.
-
-***NOTE***: Only original source code from you and other people that have
-signed the CLA can be accepted into the repository. This policy does not
-apply to [third_party](third_party/) and [vendor](vendor/).
-
-## Contributing a patch
-
-If you're working on an existing issue, simply respond to the issue and express
-interest in working on it. This helps other people know that the issue is
-active, and hopefully prevents duplicated efforts.
-
-If you want to work on a new idea of relatively small scope:
-
-1. Submit an issue describing your proposed change to the repo in question.
-1. The repo owners will respond to your issue promptly.
-1. If your proposed change is accepted, and you haven't already done so, sign a
-   Contributor License Agreement (see details above).
-1. Fork the repo, develop, and test your changes.
-1. Submit a pull request.
+So, you want to hack on the Istio proxy? Yay! Please refer to Istio's overall
+[contribution guidelines](https://github.com/istio/istio/blob/master/CONTRIBUTING.md)
+to find out how you can help.

README.md

@@ -22,12 +22,7 @@ Server Side Features:
 
 - *Monitoring & Logging*. The Proxy can report server-side metrics and logs to the Mixer.
 
-To learn more...
-
-- User guide coming soon!
-- [Contributing to the project](./CONTRIBUTING.md)
-
-### Filing issues
-
-If you have a question about an Istio proxy or have a problem using one, please
-[file an issue](https://github.com/istio/proxy/issues/new).
+Please see [istio.io](https://istio.io)
+to learn about the overall Istio project and how to get in touch with us. To learn how you can
+contribute to any of the Istio components, including the proxy, please 
+see the Istio [contribution guidelines](https://github.com/istio/istio/blob/master/CONTRIBUTING.md).