Refs #47: default value of MYSQL_STARTUP_WAIT is -1 which means wait infinitely, I guess
Refs #47: linger case happens much more than expected
Refs #47: wait nodes process disappear when kill node
Refs #47: fix previous error commit
Refs #47: get pid before killing and monitor process frequently
Merge branch 'gh47' of github.com:codership/galera into gh47
Merge branch 'gh47' into 3.x
Merge branch '3.x' of github.com:codership/galera into 3.x