MKL nb
minor fixes
add fixes
multiclass example
Made CLinearOperator generic
Fixed whitespaces and Documentation
cleanup
Renamed apply_multiclass_multiple_output to apply_multilabel_output
Renamed python example classifier_multiclassmultipleoutputlinlinear_modular.py
one-class example
Merge pull request #2096 from Jiaolong/refactor_MulticlassMultipleOutputLabels

Renamed apply_multiclass_multiple_output - Thanks for fixing!
Merge pull request #2097 from mazumdarparijat/pca

Decision Tree Notebook started
Merge pull request #2099 from mazumdarparijat/pca

data submodule update and NEWS update
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
IPython notebook - sudoku recognizer with opencv
fixed a small typo

fixed a small typo