Merge pull request #277 from jeromeetienne/ZoltanVeres-Contributing

Created CONTRIBUTING.md

CONTRIBUTING.md

+# Contributing
+
+From opening a bug report to creating a pull request: every contribution is
+appreciated and welcome. If you're planning to implement a new feature or change
+the api please create an issue first. This way we can ensure that your precious
+work is not in vain.
+
+## Issues
+
+If you are having configuration or setup problems, please post
+a question to [StackOverflow](https://stackoverflow.com/search?q=ar.js).
+You can also address question to us in our [Gitter chatroom](https://gitter.im/AR-js/Lobby)
+
+**If you have discovered a bug or have a feature suggestion, feel free to create an issue on Github.**
+
+## Submitting Changes
+
+After getting some feedback, push to your fork and submit a pull request. We
+may suggest some changes or improvements or alternatives, but for small changes
+your pull request should be accepted quickly.
+
+Some things that will increase the chance that your pull request is accepted:
+
+<!--* [Write tests](./test/TODO.md) -->
+* Follow the existing coding style
+* Write a [good commit message](http://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html)
+
+## Documentation
+
+The documentation is still WIP for this project all contributions are very welcomed, 
+you can contribute to documentation here [AR.js-docs](https://github.com/jeromeetienne/AR.js-docs)

ISSUE_TEMPLATE.md

+<!-- Please don't delete this template or we'll close your issue -->
+<!-- Before creating an issue please make sure you are using the latest version of AR.js. -->
+<!-- Before creating an issue please make a search on open and closed issues, maybe your question is already answered. -->
+**Do you want to request a *feature* or report a *bug*?**
+
+<!-- Please ask questions on StackOverflow or the AR.js Gitter (https://gitter.im/AR-js). -->
+<!-- Issues which contain questions or support requests will be closed. -->
+
+**What is the current behavior?**
+
+**If the current behavior is a bug, please provide the steps to reproduce.**
+
+<!-- A great way to do this is to provide an external url, (like a gist, codepen), with a short description on the issue you experiencing -->
+<!-- Check if the issue can be reproduced in one of our demos/examples -->
+<!-- Make sure your issue is not originating from third party source ex: (from A-Frame, Tango, JSARToolkit) -->
+
+**What is the expected behavior?**
+
+**If this is a feature request, what is motivation or use case for changing the behavior?**
+
+**Please mention other relevant information such as the browser version, Operating System and Device Name**