tree c4bd925e7fe3de329acf1ec3f2dd0471a2692c68
parent a2d76493e8d5389e34e8685678eec5efb7a4ba8a
author Yingdi Yu <yuyingdi@gmail.com> 1406938028 -0700
committer Yingdi Yu <yuyingdi@gmail.com> 1407441097 -0700

build: organize building system, support sphinx doc

Change-Id: I88ba0186a3defe1ffcbd55fb5f8ef81b5d2d3d81