unary -
Merge branch 'dev-0.9.x-scala' of github.com:dlyubimov/mahout-commits into dev-0.9.x-scala

Conflicts:
	math-scala/src/main/scala/mahout/math/MatrixOps.scala
	math-scala/src/main/scala/mahout/math/TimesOps.scala
	math-scala/src/main/scala/mahout/math/VectorOps.scala
	math-scala/src/main/scala/mahout/math/package.scala
	math-scala/src/test/scala/mahout/math/MatrixOpsTest.scala