old opencvs version error handled
Merge pull request #2486 from kislayabhi/anpr

old opencv version error handled
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