add Travis test
add Travis test

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