Squashed commit of the following from Federico G. Schwindt <fgsch@lodoss.net>:
Date:   Mon Jul 22 22:40:07 2013 +0100

    Correct pasto

    Use proper name for included file.

Date:   Mon Jul 22 22:30:23 2013 +0100

    Indent defaults

Date:   Mon Jul 22 22:28:50 2013 +0100

    Correct option name

    signkicklevel is really signkick_level.

Date:   Mon Jul 22 22:25:24 2013 +0100

    Ensure some of the options are persisted

    Correct type for memo_signon, memo_receive, memo_mail and memo_hardmax so
    they're serialized.

Date:   Mon Jul 22 22:23:36 2013 +0100

    Add missing newline

plus additional suggestions from fgs