adding Haar & LBP cascades perf test using UMat, removing old incomplete test
added perf tests for T-API warp operations
added perf tests for cv::blendLinear
added perf test for cv::cvtColor, pyr operations
added perf tests to some imgproc functions
added perf tests for filters
added perf tests for cv::dilate
added perf tests for cv::morphologyEx
added perf tests for cv::medianBlur
switching to `CL_PERF_TEST_P`, adding `safeFinish()` to flush CL queue
added perf test for cv::Moments
fixed cv::integral perf test
added perf test for cv::sqrBoxFilter
fixing compilation if `WITH_OPENCL=OFF`
adding old cascade
changed testdata path for calib3d
added perf test for cv::Canny
Merge pull request #2127 from apavlenko:perf_cascades
replaced sprintf with cv::format
Merge pull request #2151 from KonstantinMatskevich:testdata_path_calib3d