Closes #20 adding a CONTRIBUTING file

CONTRIBUTING.md

@@ -0,0 +1,25 @@
+# Contributing
+
+## Overview
+
+* Code contributions should follow the [style guide](https://github.com/scriptish/scriptish/wiki/JavaScript-Style-Guide)
+* Tests may be requested, and eventually will be required.
+* All code must be reviewed by a reviewer.
+** Sometimes code will need additional reviews.
+
+## Contributing Code
+
+* Check that your [issue](https://github.com/scriptish/scriptish/issues) does not
+already exist.
+* If it does not yet exist [please create one](https://github.com/scriptish/scriptish/issues/new).
+* Make your changes, preferably in a branch named `bug_number`.
+* Make sure there is a test in the branch (reverse the order of this for TDD).
+* Mention your `branch_name`, with a link to it, in the issue thread.
+* Ask for a review from one our reviewers
+* 
+
+## Reviewers
+
+* [@erikvold](https://github.com/erikvold)
+* [@supahgreg](https://github.com/supahgreg)
+* [@nmaier](https://github.com/nmaier)