Merge pull request #850 from karlnapf/master

last kernel selection strategy and bugfixes
fix compile error when lapack is not available
make the function available even w/o lapack
make the function available even w/o lapack
make function protected
some minor extensions that are needed for median kernel selection for MMD and Gaussian kernels.

-new getters/setters
-new EStatisticType enum
updated copyright year to 2013
initial commit of median kernel selection strategy