Squashed commit of the following:

Squashed commit of the following:

commit c2e8966fe76a30ce976973d6d4856cb6bff1cfc9
Author: Evan Prodromou <evan@status.net>
Date:   Tue Jul 10 12:20:29 2012 -0400

    Do it in ascending date order

commit aff18666662e7ba9f23b2d4c30d49347a761cd0a
Author: Evan Prodromou <evan@status.net>
Date:   Tue Jul 10 12:17:30 2012 -0400

    smaller year

commit 73c92c081c68cee5019adf1b9e813c7830dd8f87
Author: Evan Prodromou <evan@status.net>
Date:   Tue Jul 10 12:16:39 2012 -0400

    Smaller role footprint

commit a602733dd6f82415706077218f5735b655e47f70
Author: Evan Prodromou <evan@status.net>
Date:   Tue Jul 10 12:14:23 2012 -0400

    Add the right to view the log

commit a5e6cc9791e6ed1ca268b19b6c557ec78bc38e2d
Author: Evan Prodromou <evan@status.net>
Date:   Tue Jul 10 12:10:15 2012 -0400

    Change column name from 'grant' to 'is_grant' since 'grant' is a SQL keyword

commit 38fbba009cd7ae379583acdc48480829c40c829d
Author: Evan Prodromou <evan@status.net>
Date:   Tue Jul 10 12:05:44 2012 -0400

    ModLog::getSchema() -> ModLog::schemaDef()

commit 970e05d52a4a82630df6962929079c778c118a8b
Author: Evan Prodromou <evan@status.net>
Date:   Tue Jul 10 12:04:08 2012 -0400

    First pass at ModLog plugin