Added option edit/save support via git config.

Added option edit/save support via git config.

Squashed commit of the following:

commit ed32c76a8fb4164d93198503c791ff3ed56850a4
Author: David Aguilar <davvid@gmail.com>
Date:   Tue Jan 1 08:28:22 2008 -0800

    Remove model.clone(init=False) hack

commit 2c3518bd55648c23ea86d1165945f4cd398b6049
Author: David Aguilar <davvid@gmail.com>
Date:   Tue Jan 1 08:17:37 2008 -0800

    Use the preferred diff font in the export patch gui as well

commit caf530dac6ad625b9f74ff34bedfae7cc0925f9e
Author: David Aguilar <davvid@gmail.com>
Date:   Tue Jan 1 08:17:06 2008 -0800

    make the repo browser look a little nicer

commit 4e14d807e8e50af8326cea67c15490435b734887
Author: David Aguilar <davvid@gmail.com>
Date:   Tue Jan 1 08:16:35 2008 -0800

    Improve the syntax highlighter

commit 499d03d78ade84f37705fe60232c39e069054893
Author: David Aguilar <davvid@gmail.com>
Date:   Tue Jan 1 07:49:51 2008 -0800

    Implemented an option save/restore interface to git config

commit ca7c0fc78b54fa05f18ee0c90fdba0d8cf8f081f
Author: David Aguilar <davvid@gmail.com>
Date:   Mon Dec 31 22:40:05 2007 -0800

    More config system updates