Article on switching to the attr_encryptor gem
Merge attr_encryptor branch
Squashed commit of the following:

commit 0fa584df4271b188b3cdd2af92dedf6003104f25
Author: Jason Clark <jjasonclark@gmail.com>
Date:   Sat Feb 9 11:32:47 2013 -0800

    more updates

commit eca1e4c65addf39dc4a4cd18867987ca786cd444
Author: Jason Clark <jjasonclark@gmail.com>
Date:   Sat Feb 9 11:15:42 2013 -0800

    More updates

commit 3a23aa6787dd20828ebbf8d951b917952f77a29c
Author: Jason Clark <jjasonclark@gmail.com>
Date:   Sat Feb 9 10:15:26 2013 -0800

    add full migration script

commit ab6cbe17cf4051a8b23a9a68aa02d7d38e53988c
Author: Jason Clark <jjasonclark@gmail.com>
Date:   Wed Feb 6 22:49:19 2013 -0800

    Fleshed out article a bit more

commit 13cbf24d51428a5a3d16ca20f33e6b42416ffbfe
Author: Jason Clark <jjasonclark@gmail.com>
Date:   Wed Feb 6 21:33:02 2013 -0800

    start of article