fix travis config
fix jubapkg PATH setup fails when prefix is specified
Merge branch 'master' into develop
fix jubapkg to create destination directory prior to install
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