* fix recordio split and task passes
* update for pre commit
* update
* update, still need to sync client wait for pass end.
* able to sync passes for task dispatching
* update to comment
* update
* fix yapf check
* why local pre-commit fails? version is the same
* fix race condition
* update
* fix race condition
* this still have duplicate problem in unit test
* update
* update
* update by comment
* update
Currently, WITH_GOLANG is a compiling flag, and not all Paddle binary
enable `WITH_GOLANG=ON`. So we cannot ensure that every paddle has
`master.so`. Make load that C libary lazily could let the user run
Paddle without `WITH_GOLANG=ON`.
Yancey
武毅
Yu Yang
Helin Wang
gongweibao