moving doc files around

CONTRIBUTING.md

@@ -11,12 +11,12 @@ To submit a pull request, fork the [repository](https://github.com/tinode/chat)
 
     git clone git@github.com:<your-repo-name>/chat.git
 
-Make your suggested changes, `git push` and then [submit a pull request](https://github.com/tinode/chat/compare/). Note that before we can accept your pull requests, you need to sign our [Contributor License Agreement](CLA.md).
+Make your suggested changes, `git push` and then [submit a pull request](https://github.com/tinode/chat/compare/). Note that before we can accept your pull requests, you need to sign our [Contributor License Agreement](docs/CLA.md).
 
 
 ## Why is the Contributor License Agreement necessary?
 
-We very much appreciate your wanting to contribute to Tinode Chat, but we need to add you to the contributors list first. Note that the [agreement](CLA.md) is not a transfer of copyright ownership, this simply is a license agreement for contributions. You also do not change your rights to use your own contributions for any other purpose. For some background on why contributor license agreements are necessary, you can read FAQs from many other open source projects:
+We very much appreciate your wanting to contribute to Tinode Chat, but we need to add you to the contributors list first. Note that the [agreement](docs/CLA.md) is not a transfer of copyright ownership, this simply is a license agreement for contributions. You also do not change your rights to use your own contributions for any other purpose. For some background on why contributor license agreements are necessary, you can read FAQs from many other open source projects:
 
 - Django's [CLA FAQ](https://www.djangoproject.com/foundation/cla/faq/)
 - A [chapter](http://producingoss.com/en/copyright-assignment.html) from Karl Fogel's _Producing Open Source Software_ on CLAs