2.9. Patch information for Mahout

Mahout is based on Apache Mahout 0.7.0 and includes the following patches:

MAHOUT-958: Fixed NullPointerException in RepresentativePointsMapper when running cluster-reuters.sh example with kmeans.
MAHOUT-1102: Fixed Mahout build failures for default profile caused when hadoop.version is passed as an argument.
MAHOUT-1120: Fixed execution failures for Mahout examples script for RPM based installations.