Adding test images

Image removed
Merge pull request #96 from Siddharthk:master
removed old sanity data for cv::add
Merge pull request #101 from ilya-lavrenov:tapi_perf
added sanity data
Merge pull request #102 from ilya-lavrenov:tapi_perf
Add sanity data for cv::multiply's performance test
updated sanity data for cv::mixChannels
Merge pull request #107 from ilya-lavrenov:mix_fix
updated sanity data for cv::norm, cv::meanStdDev
Fix sanity data
Merge pull request #103 from ilya-lavrenov:norm
added .gitignore
Merge pull request #108 from ilya-lavrenov:gitignore
added sanity data for cv::patchNaNs, cv::convertScaleAbs, cv::scaleAdd, cv::PSNR
Merge pull request #105 from ilya-lavrenov:tapi_perf
adding new style cascades, updating sanity data
added sanity data for imgproc
Merge pull request #106 from apavlenko:perf_cascades
Merge pull request #109 from ilya-lavrenov:perf_warp