[maven-release-plugin] prepare release mahout-0.8

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1500563 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare for next development iteration

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1500565 13f79535-47bb-0310-9956-ffa450edef68
MAHOUT-1275 Dropped bz2 distribution format for source and binaries

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1500898 13f79535-47bb-0310-9956-ffa450edef68
Temporarily reverted MAHOUT-1275 changes, scheduled for 0.9, while 0.8 code freeze is on

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1501110 13f79535-47bb-0310-9956-ffa450edef68
Moving UpperTriangular matrix to mahout.math; adding DenseSymmetric matrix.
Adding test for dense symmetric matrix asserting Eigen decomposition equivalent to that over a dense matrix.
Switching SSVD uses to UpperTriangular.
Bug fixes in constructor-by-vector
Switching distributed SSVD to use EigenDecomposition. Reversing sort procedure for EigenDecomposition.
Fixing Lanczos for the correct order coming out of eigen dec
fixing buidl
Merge branch 'MAHOUT-1281' into dev-0.8.x-scala

Conflicts: