Update contrib text

CONTRIBUTING.rst

@@ -2,9 +2,10 @@
 Contributing to Converse.js
 ===========================
 
-Contributions to Converse.js are very welcome. Please follow the usual github
-workflow. Create your own local fork of this repository, make your changes and
-then submit a pull request.
+Thanks for contributing to Converse.js_! 
+
+Please follow the usual github workflow. Create your own local fork of this repository,
+make your changes and then submit a pull request.
 
 Before submitting a pull request
 ================================
@@ -12,11 +13,16 @@ Before submitting a pull request
 Add tests for your bugfix or feature
 ------------------------------------
 
-- Please try to add a test for any bug fixed or feature added. We use Jasmine
-  for testing.
+Add a test for any bug fixed or feature added. We use Jasmine
+for testing. Take a look at tests.html and spec/MainSpec.js to see how
+tests are implemented.
+
+You can also see the test output online, here: http://conversejs.org/tests.html
 
 Check that the tests run
 ------------------------
 
-- Check that the Jasmine BDD tests complete sucessfully. Open test.html in your
-  browser, and the tests will run automatically.
+Check that the Jasmine BDD tests complete sucessfully. Open tests.html in your
+browser, and the tests will run automatically.
+
+.. _Converse.js: http://conversejs.org