tree 6a2f04d552afd8090170b02f68815a7f22a5acc4
parent 31e67dcf54f4240e6771a4bf20db75b3f2d0b591
author Jiang Yan Xu <yan@jxu.me> 1430899374 -0700
committer Jiang Yan Xu <yan@jxu.me> 1430900043 -0700

Add build status icon to README.md.