Allow make-distribution.sh to specify Hadoop version used
Fix repl/assembly when YARN enabled
Initial changes to make Maven build agnostic of hadoop version
Maven build now works with CDH hadoop-2.0.0-mr1
Don't mark hadoop-client as 'provided'
Forgot to remove a few references to ${classifier}
Maven build now also works with YARN
Updates to repl and example POMs to match SBT build
Fix SBT build under Hadoop 0.23.x
Rename YARN build flag to SPARK_WITH_YARN