Merge pull request #20 from lambday/master

Added matrix-data in mtx (original) and ascii (converted) (log-det)
New LMNN testsuite file after new member was added
Merge pull request #22 from iglesias/lmnn

New LMNN testsuite file after new member was added
rerun generator for lmnn
added an OCR dataset (http://www.seas.upenn.edu/~taskar/ocr/)
Merge pull request #23 from hushell/master

added an OCR dataset (.mat)
added apache2 and ozone data for log-det
Merge branch 'master' of https://github.com/shogun-toolbox/shogun-data