(refs #33)Match committer by mail address.
Merge branch 'master' into #33_match-by-email

Conflicts:
	src/main/scala/util/JGitUtil.scala
	src/main/scala/view/helpers.scala
	src/main/twirl/repo/blob.scala.html
	src/main/twirl/repo/commit.scala.html
	src/main/twirl/repo/commits.scala.html
	src/main/twirl/repo/files.scala.html
(refs #33)Use RequestCache instead of AccountService directly.
(refs #74)Add the web hook configuration page.
Fix default smtp port in constant.
(refs #10) Completed notification implementation.
(refs #10) Add notification. Notification of when merging is not
implemented yet.
(refs #74)Add WEB_HOOK table.
Fix a problem in pull request to branches other than the master branch.
Make configurable data(git,db) dir using env vars
Merge pull request #93 from tanacasino/feature/configurable-data-dir-2

Make configurable data(git,db) dir using env vars
Set init parameters using ServletContext#setInitParameter().
Don't set response content type via Accept header.
(refs #10) Add notification of when merged.
Update README.md
(refs #10) Except group account in notification.
Merge branch 'master' of https://github.com/takezoe/gitbucket.git
Update README.md
Update README.md
Merge branch 'master' into webhook