Release 1.6 (4 Sept, 2013)
~~~~~~~~~~~~~~~~~~~~~~~~~~~
* Important fix in fbetaLoss: previous version was not correct and often lead to unsolvable optimization problem.
* Improve memory footprint of L1 regularizer

Release 1.5 (24 July, 2013)
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* Rename mlsRegressionLoss into lmsRegressionLoss
* Implement new scalar losses:  epsilonInsensitiveRegressionLoss, ladRegressionLoss, logisticRegression
* Write a vignette for the package
* Minor imrovment: Improve error messages
* Minor imrovment: split the source code "scalarLoss.R" in 2 files "scalarClassificationLosses.R" and "scalarRegressionLosses.R"

Release 1.4 (19 July, 2013)
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* Minor improvment: track the number of none zero element, and number of constraints in bmrm log.
* Minor improvment: improve package description.


