Merge branch 'release/0.4.0' into develop
Merge branch 'master' into develop
Merge branch 'master' into develop
Merge branch 'master' into develop
Merge branch 'master' into develop
copy kumagi's codestyle tools
apply auto-format
Force include of pficommon header being right after include of C++ standard libraries.
fix cpplint for permit line length of license comment
Merge branch 'feature/codestyle' of github.com:jubatus/jubatus into style
stream should be admited
catch is not function!
Force explicitly indicated third party headers to be included right after C++ system headers.

Following headers are currently the members of third party headers:
- pficommon/*
- mecab.h
- re2/re2.h
- ux/ux.hpp
Add jubatus-msgpack and glog
fix common/mprpc/* coding-style

+ fix common/mprpc/* coding-style according to Jubatus-
  coding standard excludig:
  - [readability/casting] [4]
  - [runtime/references] [2]
  - [runtime/rtti] [5]
fix for cpplint
fix src/common for cpplint
Add msgpack to cpplint third-party headers
Fix coding style for graph
fix stat for cpplint