MAHOUT-1346: don't evaluate debug printout in no-debug mode

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1582020 13f79535-47bb-0310-9956-ffa450edef68
MAHOUT-1346 style: removing my weird log variable convention, Mahout doesn't use that

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1582021 13f79535-47bb-0310-9956-ffa450edef68
NoJira: fixing .gitignore for idea, git clean would remove idea files

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1582022 13f79535-47bb-0310-9956-ffa450edef68
MAHOUT-1471: Cleanup website for Canopy Clustering

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1582030 13f79535-47bb-0310-9956-ffa450edef68
MAHOUT-1488: DisplaySpectralKMeans fails: examples/output/clusteredPoints/part-m-00000 does not exist

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1582031 13f79535-47bb-0310-9956-ffa450edef68
MAHOUT-1491: Spectral KMeans Clustering doesn't clean its /tmp dir and fails when seeing it again (smarthi)

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1582161 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch 'remotes/origin/trunk' into trunk