Aliases: Added fmt to break at 79 characters.

This maintains consistency with vim's current settings, and keeps lines
to < 80 characters.
gitignore: Ignore homebank's settings.
vim: Ignore a few more non-source directories.
bin/mount/sshfs.backups: Initial commit.
bin/mount/upcrfs: Deleted, obsolete.
i3: Configured a nicer font.