Updated sbt to 0.13.5
Merge remote-tracking branch 'origin/devel' into develop

* origin/devel:
  Added minIterations to FirstOrderMinimizer and SGD
Partial commit of bugfixes, etc.
Fixed CSC_CSC Update Ops
Merged with upstream
Reverted debugging changes in FirstOrderMinimizer
Fixed CSC zipMapVals
Merge pull request #285 from gabeos/feature/algebra

Feature/algebra
fix for #286
Merge remote-tracking branch 'scalanlp/master'
Add Long specialization to Storage (it is used in classes with Long specialization downstream)
Organize unneeded imports
Reading through code to understand data structures (edit documentation, variable naming consistency)
some more consistency
Storage.scala specialization?
minor diff Storage.scala
Should norm be deprecated from NumericOps.scala?
more refactoring and documentation
deprecated NumericOps.norm() in favor of UFunc
Use a case class for SVD instead of a tuple