Add 2.1.0 to .travis.yml
Add 2.1.0 to .travis.yml

id774/fastladder,fastladder/fastladder,ykzts/fastladder,id774/fastladder,id774/fastladder,fastladder/fastladder,ykzts/fastladder,onk/fastladder,toshimaru/fastladder,toshimaru/fastladder,ykzts/fastladder,fastladder/fastladder,onk/fastladder,toshimaru/fastladder,onk/fastladder