Merge pull request #1088 in SNORT/snort3 from 241 to master

Merge pull request #1088 in SNORT/snort3 from 241 to master

Squashed commit of the following:

commit 1f7ece85eb3ec05805490ed1e929d7e40cf6aa83
Author: Russ Combs <rucombs@cisco.com>
Date:   Thu Dec 14 10:32:15 2017 -0500

    build 241

commit 922a74e6eef8aef64df290da43bb0a857c9a6591
Author: Russ Combs <rucombs@cisco.com>
Date:   Thu Dec 14 13:13:49 2017 -0500

    doc: update default manuals

commit f0ed802e05f056aa018bf511920899abd80053ae
Author: Russ Combs <rucombs@cisco.com>
Date:   Thu Dec 14 09:39:24 2017 -0500

    cmake: add --define to configure_cmake.sh for arbitrary defines