Separate complex JGit operation to JGitUtil from
RepositoryViewerServlet.
Add Scaladoc.
getCommitLog is moved to JGitUtil and it get commit logs from only bared
repository.
'Browse Code' link is available.
Add TODO.
Get all data from the bare repository.
Cloned repositories in backend is not necessary at last.
Add 'tree:' prefix and substring for the commit id.
Fixed diff for initial commit.
Unify JGitUtil interface to take Git instead of Repository or
combination of the owner and the repository name.
Add TODO.
Add Scaladoc for models.
Add UsersServlet to manage users.
Add admin user to initialization SQL.
Start to implement Wiki.
Start to implement WikiController.
Changed controllers from servlet to filter by mapping flexibility.
Move GitRepositoryServlet and BasicAuthenticationFilter to util package.
Removed unused import statement.
Implementing Wiki part.
Fixed Scaladoc mistake.
Convert Markdown to HTML in the view by view.helpers.markdown().