finished buildPointList
added HoughCircles in ocl.hpp
removed useless comments in buildPointList_gpu()
finished ocl::HoughCircles
fixed a typo in ocl.hpp
Merge branch 'master' of git://github.com/Itseez/opencv into ocl_hough
added unit test for HoughCircles
added performance test
added documentation for ocl::HoughCircles
Merge branch 'master' of git://github.com/Itseez/opencv into ocl_hough
removed personal info from the license header
modified performance test for ocl::HoughCircles
Merge branch 'master' of git://github.com/Itseez/opencv into ocl_hough
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
Merge branch 'master' of git://github.com/Itseez/opencv into ocl_hough
Fix random failures of Split and Merge tests
refactored approxpoly