Removed the posix dependency that prevented the Git VCS hook (and potentially others, only tested with Git) from being used on Windows hosts.
Original modification by "Lucas" in the article http://www.flyingtophat.co.uk/blog/26/git-integration-with-the-bug-genie-on-windows
Merge pull request #158 from antwilliams/master

Enable Git VCS post-commit hook to run on Windows hosts