Fix travis config
Fix travis config

niboshi/chainer,sinhrks/chainer,ikasumi/chainer,keisuke-umezawa/chainer,aonotas/chainer,jnishi/chainer,rezoo/chainer,pfnet/chainer,hvy/chainer,ktnyt/chainer,keisuke-umezawa/chainer,tkerola/chainer,hidenori-t/chainer,ktnyt/chainer,okuta/chainer,wkentaro/chainer,tscohen/chainer,cupy/cupy,delta2323/chainer,cupy/cupy,benob/chainer,niboshi/chainer,ytoyama/yans_chainer_hackathon,sinhrks/chainer,hvy/chainer,wkentaro/chainer,chainer/chainer,ronekko/chainer,chainer/chainer,niboshi/chainer,ktnyt/chainer,AlpacaDB/chainer,ysekky/chainer,t-abe/chainer,hvy/chainer,jnishi/chainer,t-abe/chainer,muupan/chainer,cupy/cupy,truongdq/chainer,okuta/chainer,tigerneil/chainer,masia02/chainer,chainer/chainer,niboshi/chainer,jnishi/chainer,laysakura/chainer,benob/chainer,AlpacaDB/chainer,1986ks/chainer,cupy/cupy,keisuke-umezawa/chainer,ktnyt/chainer,keisuke-umezawa/chainer,truongdq/chainer,muupan/chainer,kikusu/chainer,chainer/chainer,minhpqn/chainer,yanweifu/chainer,wkentaro/chainer,wkentaro/chainer,kashif/chainer,cemoody/chainer,kikusu/chainer,kiyukuta/chainer,umitanuki/chainer,hvy/chainer,Kaisuke5/chainer,anaruse/chainer,okuta/chainer,sou81821/chainer,okuta/chainer,jnishi/chainer