updated test data for gpu::FastNonLocalMeans
Added sanity data for cvtColorBayer8u test
Merge pull request #17 from branch jet47:gpu-fast-nlm
updated sift test data; added images for the planar object detector test
Merge branch 'sift_fixes' of https://github.com/vpisarev/opencv_extra into 2.4
Added test data for HoughLines regression test
Merge pull request #18 from ivan-korolev/fix_HoughLines_segfault
updated data for SURF regression tests
updated nonfree/surf data for the sanity check mode in the performance tests
Merge branch vpisarev:surf_fixes
Merge branch AnnaKogan8/fixed-perf-tests into 2.4