Support loading .gitbugtraq from a bare repository
Fixed imports
Merge pull request #8 from gitblit/barerepos

Pull Request #8: Support loading .gitbugtraq from a bare repository
Closer compatibility with Tortoise specification

See https://groups.google.com/forum/#!topic/tortoisegit-dev/q80oAXEKzzg
Issue #5: Special link support
Java reference implementation: compatibility with TortoiseGit
Issue #5: Special link support (support for "loglinktext")