Frank-Wolfe SOSVM solver
mixture model training added; EM for mixture model added
memory errors fixed
simplified the way convolutional nets are constructed
refactor and rename the Laplace method
added convolutional autoencoders to the autoencoders notebook
Merge pull request #2471 from khalednasr/conv_autoencoder_notebook

Added convolutional autoencoders to the autoencoders notebook
Merge pull request #2354 from hushell/bcfw

Frank-Wolfe SOSVM solver
Fix most of the notebooks according to #2361
fixed a memory leak in CNeuralConvolutionalLayer
update the neuralnets notebooks according to #2361
Merge pull request #2474 from khalednasr/master

update the neuralnets notebooks according to #2361
nononoooo we don't love you anymore NOW!
get rid of opencv job on travis it's just adding way too much overhead
Merge pull request #2473 from khalednasr/conv_autoencoder_notebook

fixed a memory leak in CNeuralConvolutionalLayer
Merge pull request #2470 from yorkerlin/develop

refactor and rename the Laplace method
[ci skip] More notebook fixes
see #2361
Fix r_modular externalptr error
[travis] add ppa to dump swig version
Added a ppa with swig 2.0.7 to travis conf
Merge pull request #2479 from matthuska/r-externalptr-error

Fix r_modular externalptr error