MAHOUT-1201 Fix mahout jobs that do do not pass user supplied conf

Some (KMeansDriver, MeanShiftCanopyDriver, FuzzyKMeansDriver, CanopyDriver,
ClusterClassificationDriver, PFPGrowth, DistributedConjugateGradientSolver,
InformationGain and InformationGainRatio) did not pass user supplied
configuration object to sub jobs


git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1488624 13f79535-47bb-0310-9956-ffa450edef68