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
Merge pull request #141 from ilya-lavrenov:tapi_3cn_perf