Parallelize test running.
Updated with SVM (via LBFGS) and Lasso Regression (via Ridge
Regression with SGD)
Refactoring out into separate classes.
Renamed PrimalUpdater to Updater
Refactored duplicate zUpdate code
Refactored runRound functions.
Refactored LassoRegression into separate class.
Handled intercept terms correctly in Lasso/Logistic regression
Refactored SVM into it's own file.
Removed unecessary imports.
Added tests (not passign yet) for the SVM implementation.