Allowing Git Fusion configuration ("constants") to be overridden from the OS environment, making Git Fusion more flexible.
Merge branch 'master' of github.com:Ravenbrook/perforce-git-fusion
Augmenting the list of users with a complete historical list of Perforce users fetched from a central database.
Moving import of historical users to usermap function, rather than pretending they're in Perforce.
Fixing variable naming loop that prevented protection checking from working.
Merge branch 'perforce-patch-2013-05-17'