mixture model training added; EM for mixture model added
memory errors fixed
reduced the execution time of the autoencoders notebook
rename GPC
minor changes in mixture models
Merge pull request #2448 from mazumdarparijat/em

mixture model training added; EM for mixture model added
Merge pull request #2477 from yorkerlin/develop

rename the GPC modular
added the multiLaplace method
old opencvs version error handled
Merge pull request #2486 from kislayabhi/anpr

old opencv version error handled
add table of contents
add table of contents
Mixture model unittest : freebsd failure fixed
Merge pull request #2492 from mazumdarparijat/em

Mixture model unittest : freebsd failure fixed
python interface for FisherLDA
fisherfaces example added
fisherfaces python_interface example added
added integration data files
corrected indentation and minor issues
Merge pull request #2488 from Saurabh7/nbtables

add table of contents to nbs