Set initial value of 'owner' parameter in the repository creation page.
Merge pull request #51 from tanacasino/fix/search-in-empty-repository

(refs #50)Fix search logic in empty repository
Use JGitUtil.isEmpty() to check whether repository is empty.
Improve authentication for H2 console.
Add view ISSUE_OUTLINE_VIEW.
Initial commiter should be repository creator

like wiki repository.
Now it seems that set $HOME/.gitconfig user.name,user.email or
machine username and username@hostname.