Fix travis config
Fix travis config

delta2323/chainer,kikusu/chainer,niboshi/chainer,chainer/chainer,anaruse/chainer,keisuke-umezawa/chainer,jnishi/chainer,cupy/cupy,jnishi/chainer,okuta/chainer,hvy/chainer,wkentaro/chainer,niboshi/chainer,AlpacaDB/chainer,jnishi/chainer,okuta/chainer,kashif/chainer,pfnet/chainer,jnishi/chainer,wkentaro/chainer,keisuke-umezawa/chainer,cupy/cupy,benob/chainer,ronekko/chainer,tkerola/chainer,niboshi/chainer,kikusu/chainer,okuta/chainer,wkentaro/chainer,kiyukuta/chainer,ktnyt/chainer,benob/chainer,cupy/cupy,hvy/chainer,chainer/chainer,AlpacaDB/chainer,ktnyt/chainer,hvy/chainer,niboshi/chainer,rezoo/chainer,wkentaro/chainer,okuta/chainer,ktnyt/chainer,ysekky/chainer,hvy/chainer,cupy/cupy,chainer/chainer,ktnyt/chainer,chainer/chainer,keisuke-umezawa/chainer,keisuke-umezawa/chainer,aonotas/chainer