Update CONTRIBUTING.md (#145)

Author: benwicks

CONTRIBUTING.md

@@ -1,12 +1,12 @@
-# Contributing to RxJava
+# Contributing to RxKotlin
 
 If you would like to contribute code you can do so through GitHub by forking the repository and sending a pull request (on a branch other than `master` or `gh-pages`).
 
 When submitting code, please make every effort to follow existing conventions and style in order to keep the code as readable as possible.
 
 ## License
 
-By contributing your code, you agree to license your contribution under the terms of the APLv2: https://github.com/ReactiveX/RxJava/blob/master/LICENSE
+By contributing your code, you agree to license your contribution under the terms of the APLv2: https://github.com/ReactiveX/RxKotlin/blob/2.x/LICENSE
 
 All files are released with the Apache 2.0 license.