Viz test data
replaced 720896 by 655360 since OCL_MAT type is eliminated
removed ocl.xml
Merge pull request #134 from ilya-lavrenov:tapi_renaming
sanity data for cascade
Merge pull request #13 from ilya-lavrenov:ocl2trash
Merge pull request #136 from KonstantinMatskevich:ocl_test_cascade
added sanity data for UMat/Mat::dot
Merge pull request #137 from ilya-lavrenov:umat_expr
Merge pull request #119 from Nerei:viz_backport
added sanity data for cv::sqrBoxFilter
Merge pull request #130 from ilya-lavrenov:tapi_sqrboxfilter
decrease input size for several gpu tests to fix "timed out" error:

* BruteForceNonLocalMeans
* OpticalFlowBM
Merge pull request #138 from jet47:gpu-tests-timeout
Merge remote-tracking branch 'origin/2.4'
added sanity data for NLM
Merge pull request #139 from ilya-lavrenov:nlmeans_perf
added sanity data for [L|s]RGB <-> Lab conversion
added sanity data for 3cn
Merge pull request #140 from ilya-lavrenov:tapi_lab