Merge branch 'goby_work' of https://github.com/jackkitte/DeepLearnToolbox into goby_work

・comitのやり直し
・VisionDataSetNN2にも同じ処理を記述
・nnsetupにも同様の処理
Merge branch 'goby_work' of https://github.com/jackkitte/DeepLearnToolbox into goby_work