Instead of drawing this all ourselves, drop it all in a `GtkGrid`. This handles all the padding and alignment for us, which is way more consistent, too.
Note, old code has not been removed because it's used in conversations.
Testing Done:
Hover over buddy list, try with keyboard `Ctrl+F1`.
Reviewed at https://reviews.imfreedom.org/r/754/
# SOME DESCRIPTIVE TITLE.
# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
# This file is distributed under the same license as the PACKAGE package.
#
# Translators:
# Copyright (C) Artur Flinta <aflinta@at.kernel.pl>, 2004
# Copyright (C) Krzysztof Foltman <kfoltman@onet.pl>, 2003
# Copyright (C) Paweł Godlewski <pawel@endure.pl>, 2007
# Piotr Drąg <piotrdrag@gmail.com>, 2009
# Copyright (C) Piotr Makowski <pmakowski@aviary.pl>, 2008