Improve checkConflict
Improve checkConflict

* Delete temporary RefSpec after checkConflict
* mergeguide use checkconflictInPullRequest instead of checkconflict
(refs #179) Improve merge performance

* merge without tmp dir repository
* remove merging ops from mergeguid
(refs #179) Fetch from fork branch before merge
(refs #179) Remove refs/pull/${issueId}/merge
Merge remote-tracking branch 'master' into improve-pullreq-performance
(refs #179) Refactor
(refs #167)Add pusher info to WebHook
Release ObjectInserter after adding commit.
Fix compilation error.
(refs #179) Merge branch 'improve-pullreq-performance'
(refs #179)Fetch from the source repository before pull request is referred.
(refs #186)Show private repositories in the account page.
(refs #114)Add logical remove flag to ACCOUNT.
(refs #114)Add logical remove flag to ACCOUNT.
Fix test case.
Upgrade to scalatra-forms 0.0.4
(refs #185)Add -Dsbt.log.noformat=true option
Fix test case.
(refs #114)Add remove option to user management.