Configure circleci to run clang-tidy
Configure circleci to run clang-tidy

jnishi/chainer,ktnyt/chainer,okuta/chainer,jnishi/chainer,hvy/chainer,chainer/chainer,keisuke-umezawa/chainer,pfnet/chainer,keisuke-umezawa/chainer,chainer/chainer,wkentaro/chainer,tkerola/chainer,keisuke-umezawa/chainer,hvy/chainer,niboshi/chainer,wkentaro/chainer,okuta/chainer,jnishi/chainer,hvy/chainer,niboshi/chainer,jnishi/chainer,niboshi/chainer,okuta/chainer,ktnyt/chainer,okuta/chainer,wkentaro/chainer,hvy/chainer,niboshi/chainer,ktnyt/chainer,chainer/chainer,ktnyt/chainer,wkentaro/chainer,keisuke-umezawa/chainer,chainer/chainer