add assets:precompile test for travis
add assets:precompile test for travis

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