Merge pull request #16 from saymedia/master

updates to the debian packaging
DEBIAN: Fix packaging to make autoconf work!
DEBIAN: Adding default GECOS information to post install script
DEBIAN: Configure with git

After all, that's the point of this project!
Exclude the . and .. listings since Force10 touches them on every login

Cherry-picking this changeset:
http://www.shrubbery.net/pipermail/rancid-discuss/2013-August/006995.html