added X-Kagoiri-Unit-Id to submit mail header.
added X-Kagoiri-Unit-Id to submit mail header.


git-svn-id: c2688e92641e31dc24b23a9d5e7c89323ec4fc70@1279 4e392e78-dc3f-dc11-8fd5-00188bfc9ac4

insanity/forked-kahua-bts,insanity/kagoiri-musume,insanity/forked-kahua-bts,insanity/kagoiri-musume