Merge branch 'release/0.4.1' into develop
Fix fd leak when timerfd is disabled on Linux.
Merge branch 'old-linux-timer-fix' of https://github.com/tatsuhiko-inoue/jubatus-mpio into tatsuhiko-inoue-old-linux-timer-fix
fix event-loop dead-lock on single-large-async write (#1)
remove #ifdef/#endif
fix code style
Merge branch 'fix/large-async-write' into develop
Bump version to 0.4.2
Merge branch 'release/0.4.2'