COOK-2411 fail2ban cookbook should support redhat-family distributions

Added support for RH-family linux distributions.
Added modification comment to top of config files.
Added chefignore, .gitignore files.
Updated copyright dates
Bumped version to 1.2.0
Squashed commit of the following:

commit a67d8672795b15b720dd9315645b34064795869e
Author: Charles Johnson <charles@opscode.com>
Date:   Sat Feb 16 18:57:24 2013 -0800

    COOK-2426 - Add support for syslog tunables in fail2ban.conf.
    Added tests, Berks, and Vagrant support files.