changed OpenCV_example_calib.cfg to contain correct number of distortion parameters
slight changes to the calibration sections in the README
disabled debug statistics for build type Release. Maybe a bit faster?
Merge branch 'master' of https://github.com/tum-vision/lsd_slam
adjusted readme
Merge pull request #19 from puzzlepaint/master

readme changes regarding calibration
Merge remote-tracking branch 'upstream/master'