Made CLinearOperator generic
Fixed whitespaces and Documentation
Added multilabel reader in LibSVMFile.
Added multilabel writer in LibSVMFile. Updated LibSVMFile unit test.
Added support for Softmax neural layers
changed neuralnets_digits notebook to make it  follow the notebook template
Eigenfaces example with OpenCV
fixed a small typo

fixed a small typo
Corrected indent issues and memory leak.
Merge pull request #2093 from sunil1337/Linear_operator

Made CLinearOperator generic
Merge pull request #1964 from ahcorde/develop

Eigenfaces example
Merge pull request #2073 from Jiaolong/io_multilabel

Added multilabel reader in LibSVMFile - thanks to Jiaolong
add pdf static function in GaussianDistribution
update unit test for GaussianDistribution
minor fix
Merge pull request #2103 from yorkerlin/pdf_function

Pdf helper function for LogitPiecewiseBound
Merge pull request #2090 from khalednasr/develop

Added support for softmax neural layers
Cleaning up protobuf library in exit_shogun().
Merge pull request #2107 from tklein23/fix_protobuf_leak

Shutting down protobuf library in exit_shogun() to fix memory leak.
Merge pull request #2101 from ahcorde/sudoku_ipythonNotebook

IPython notebook - sudoku recognizer with opencv