MAHOUT-1254: Final round of cleanup for StreamingKMeans



git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1493527 13f79535-47bb-0310-9956-ffa450edef68
MAHOUT-1255: Fix for weights in Multinomial sometimes overflowing in BallKMeans



git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1493533 13f79535-47bb-0310-9956-ffa450edef68
Fixed botched patch application that broke the build.

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1493557 13f79535-47bb-0310-9956-ffa450edef68
MAHOUT-1254: Added missing License header.

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1493573 13f79535-47bb-0310-9956-ffa450edef68