Merge pull request #1110 in SNORT/snort3 from packet_trace to master

Merge pull request #1110 in SNORT/snort3 from packet_trace to master

Squashed commit of the following:

commit 63889018db28b62c15e7376e4f278e3275d59fa4
Author: Carter Waxman <cwaxman@cisco.com>
Date:   Tue Mar 13 16:15:16 2018 -0400

    PacketTracer: added to the snort namespace

commit d0d916320e7b59b09ff3c776fb2347ccd4ba9995
Author: Carter Waxman <cwaxman@cisco.com>
Date:   Thu Mar 8 14:33:41 2018 -0500

    packet trace: made verdict reasons registerable

commit dc5d48340c610b40e7ab8f9194b84d05ec5a9a8a
Author: Carter Waxman <cwaxman@cisco.com>
Date:   Tue Feb 13 16:27:13 2018 -0500

    packet tracer: added ability to direct logging to file

commit b8ae23501922734b0d54a87cde0488165ed7e98a
Author: Carter Waxman <cwaxman@cisco.com>
Date:   Tue Feb 13 11:09:11 2018 -0500

    packet tracer: fixed function visibility in dynamic modules

commit e4314fc0f8e7f2d5736da7d1c942d86df8063e09
Author: Carter Waxman <cwaxman@cisco.com>
Date:   Mon Feb 12 17:28:25 2018 -0500

    appid: added mute to packet trace

commit df249f0c5650fb138fd9f764f81beafe03160b79
Author: Carter Waxman <cwaxman@cisco.com>
Date:   Mon Feb 12 17:19:26 2018 -0500

    packet tracer: unit tested verbosity

commit c23843038f4c92f066ffc16b56f4f57895f68e4e
Author: Carter Waxman <cwaxman@cisco.com>
Date:   Mon Feb 12 16:41:28 2018 -0500

    sfdaq, packet tracer: implemented verdict reason delivery

commit 82e78ff2b189a3463282b7441766c71c7317f9b1
Author: Carter Waxman <cwaxman@cisco.com>
Date:   Mon Feb 5 15:39:17 2018 -0500

    packet tracer: refactored for clarity and simpler use. added pause/unpause.

commit 4049ab28c459b1a9f43eddad2227e806832b5c0b
Author: Carter Waxman <cwaxman@cisco.com>
Date:   Mon Feb 5 14:42:42 2018 -0500

    packet tracer: refactored unit tests to keep config.h dependencies out of headers

commit 98f2b9e9d3e1488c8c07b75b9838bd18e626e309
Author: Carter Waxman <cwaxman@cisco.com>
Date:   Mon Feb 5 13:04:48 2018 -0500

    packet tracer: removed unnecessary macro. write logs via LogMessage instead of printf.

commit 4ec381cfaa1f537e413a0a07d74b570cdaaa20bc
Author: Carter Waxman <cwaxman@cisco.com>
Date:   Fri Feb 2 12:20:59 2018 -0500

    packet tracer: added mute groups to prevent spamming

commit 3a64876c904c04febbfc2eaa614a582d500b8d40
Author: Carter Waxman <cwaxman@cisco.com>
Date:   Thu Feb 1 14:49:07 2018 -0500

    packet tracer: refactored for better integration with external plugins

commit 6e9ee483a6f99dc8d00520aabe481f52074c1dff
Author: Carter Waxman <cwaxman@cisco.com>
Date:   Fri Feb 2 13:14:19 2018 -0500

    packet tracer: fixed CMakeLists.txt not installing header