Added regression test for HoughLines algorithm
Merge pull request #365 from ivan-korolev:fix_HoughLines_segfault
Tested cvDestroyAllWindows() without windows
Fixed cvDestroyAllWindows() without windows in QT (#2440)
Fixed bug in the cv::estimateRigidTransform (#1949)
integrate new cascade format to GPU soft cascade implementation
fix tests
Add test for issue #2075
Allow input of calcOpticalFlowPyrLK be submats of different size images

This fixes bug #2075
Solve conflict between tiff.h and opencv2/core/types_c.h

Сonflict exists between some versions of libtiff and opencv headers
fix v4l yes-yes build
fix default include dirs for TBB
Fix build warnings in OpenCL samples
TestCheckVector java test fixed. Warning fixed.
Merge pull request #379 from taka-no-me:fix_ocl_samples_warnings
changed default parameters of SURF, which improved its performance. Restored bi-linear interpolation in SURF descriptor extractor. Added test for SURF homography + check for non-zero (positive) responses.
Merge pull request #377 from ivan-korolev:fix_v4l_yes-yes_build
Merge pull request #380 from asmorkalov:java_test_fix2
Merge pull request #378 from ivan-korolev:fix_OpenCVDetectTBB_cmake
fix broken links in cascade classification documentation