SURF keypoints rotation invariance test.
It calcs kpts for a cross and checks that 4 kpts at the edges have equal responce.
fixinf warning on non-Windows systems
Added 'Num of tests' col, changed headers, added 'overall time' row
Switched time from seconds to minutes
Fix random failures of Split and Merge tests
refactored approxpoly
MeanshiftGrouping Bugfix (Bug #2685)
4 digit library version numeration implemented in OpenCV Manager

Code refactoring done.
OpenCV library version type changed to int.
Some UI labels updated.
OpenCV Manager verison incremented.
Consistently use 4-digit library version
first debug integration of newly trained cascade
integrated 128x256 scale
integrate 128x256 scale; remove log
xml for soft cascade
perf test
a bit refactored soft cascade
fix test for a new test data
fix soft scade xml
add two types of feature boxes support:
 - (left, top, width, height)
 - (left, top, right, bottom)
fix typo
fix python wrapping