* add logs and fix a bug

* fix break buf

* modify path bugs

* fix by comments

* fix by comments

* add batch

* add float32tostring

* add pb support

* moidfy gotpaht

* compile ok

* add proto

* delete not need

* add proto

* add empty proto

* clean not need

* clean not need

* modify deps

* fix by comments and update depend

* fix compile error

* fix loop bugs

* fix gometalinter versioning

* stop gometalinter

* add master server unit test

* fix comments

* use t.Log

* fix travis can not fetch git repo

* fix git repo

* Server recovery from checkpoint