BRISK and FREAK added
2.4.0 had nothing
version problems
No idea why it's breaking
why wouldn't this pass?
new test added
Tracking bugs resolved
Merge pull request #363 from jayrambhia/Tracking_docs

Tracking bugs resolved
Merge pull request #360 from jayrambhia/BRISK_detector

BRISK and FREAK added
Added smart crop
Tracking reconstructed
Docs added
More docs added
Median Flow Tracker added
More docs added
More improvements
final
0 bounding box error removed
Added getGreyhistogram count
little fixes