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
added perf test for cv::Moments
fixed cv::integral perf test
added perf test for cv::sqrBoxFilter
added perf test for cv::Canny
Merge pull request #2151 from KonstantinMatskevich:testdata_path_calib3d
Revert "replaced sprintf with cv::format"

Fixing build breakage.

This reverts commit b83eff7ecf0a3a8a9d706168150d569c94f0b71e.
Merge pull request #2141 from ilya-lavrenov:perf_warp
BFMatcher

match

radiusMatch
fixed docs
removed unnecessary functions and variables
added perf test