Adding short contributing text and link from README.md

This will help newcomers get into the code quickly, and will also make it easier to merge pull requests.

CONTRIBUTING.md

@@ -0,0 +1,28 @@
+# Contributing #
+## Why contributing? ##
+The original author and all users of this library are very greatful for your contribution
+to this Open Source Project. Also most employers value people active in the Open Source
+community.
+
+## The Checklist ##
+If you want to help out and contribute to this Open Source Project, please keep reading.
+
+My thought with `jadb` was to make it very light weight and easy to use as a developer.
+This means as little boilerplate code, (mostly) self-documenting public interface, and
+overall clean code.
+
+Before submitting a pull request, please go through the below checklist to verify
+your proposed change meets, or exceeds, the quality of the jadb source code.
+
+* Builds - Make sure the code builds by issuing `ant build`.
+* Works - Make sure all the test runs and passes.
+* Works - Double check any features you might have changed, and of course any _new_ code
+  by testing manually.
+* Formatting - Keep the formatting _consistent_. Nothing
+  fancy, pretty standard java stuff, check other source files
+  for reference.
+* Readability - Is your code easy to read? This usually means shorter code, but don't go
+  full terse.
+* Newline at end of file - This makes `cat`-ing files, etc easier.
+
+Happy coding! I, the original author, and all users are greatful for your contribution. :-)

README.md

@@ -62,5 +62,10 @@ project name and **tag** ignoring actual values from pom.xml. So you need to wri
 </dependency>
 ```
 
+## Contributing ##
+This project would not be where it is if it where not for the many helpful contributors
+supporting jadb with pull requests, issue reports, and great ideas. If _you_ would like to
+contribute, please read through [CONTRIBUTING.md](CONTRIBUTING.md).
+
 ## Author ##
 Samuel Carlsson <samuel.carlsson@gmai.com>