Release Notes - MRUnit - Version 0.5.0

** Bug
    * [MRUNIT-6] - Reverse MAPREDUCE-954 in trunk
    * [MRUNIT-7] - Remove empty MockMapContext.java file accidentally added
    * [MRUNIT-8] - Fix failing testConfiguration tests
    * [MRUNIT-9] - Fix failing testDoubleIteration test
    * [MRUNIT-10] - Version in pom should contain -incubating per policy
    * [MRUNIT-33] - maven assembly fails with no assembly descriptors found

** Improvement
    * [MRUNIT-1] - Port build system to Maven
    * [MRUNIT-11] - Test output should be redirected to files
    * [MRUNIT-17] - Bind maven assembly to package phase
    * [MRUNIT-37] - Use maven deploy plugin

** New Feature
    * [MRUNIT-3] - Add Apache RAT support to the build
    * [MRUNIT-16] - Generate distribution artifacts from maven

** Task
    * [MRUNIT-4] - Create README, LICENSE, and other necessary files for independent release
    * [MRUNIT-5] - Setup CI builds for MRUnit
    * [MRUNIT-20] - Add a KEYS file containing dev pgp keys to the repo 
    * [MRUNIT-21] - Add the ASF incubator disclaimer to the README
    * [MRUNIT-22] - Add build instructions document
    * [MRUNIT-23] - Create a CHANGES file
    * [MRUNIT-24] - Fix RAT license check failures since adding CHANGES file
    * [MRUNIT-25] - Updated BUILD instructions
    * [MRUNIT-32] - Add Brock Noland's key to dist/KEYS file