memory leak fixed
Merge pull request #2166 from mazumdarparijat/decision_tree

memory leak fixed
add to news
Merge pull request #2168 from Saurabh7/develop

minor changes mkl nb
Added factor graph model for multilabel classification example in libshogun.
updated vector type and coding style
Removed line reader and added LibSVMFile multilabel reader in this example.
fixed a bug in computing delta_loss
Fixed format issues. Both ranom and real data experiments are presented.
Removed random data experiment.