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
Merge pull request #852 from karlnapf/master

another kernel selection strategy: median
attempt to heal build
another attempt to heal build
refactoring
Merge pull request #853 from karlnapf/master

attempt to heal build
fix serialization for sparse features and serializableasciireader

thanks Christian Hentschel for the patch