Merge pull request #683 in SNORT/snort3 from appid_sip to master

Merge pull request #683 in SNORT/snort3 from appid_sip to master

Squashed commit of the following:

commit e3763a9177b370e6de5e00a315b22a40321048ec
Author: Carter Waxman <cwaxman@cisco.com>
Date:   Wed Nov 2 11:05:16 2016 -0400

    Updated build dependency fix

commit f9a3162c78f4472b29928f981d1c1cfc0d3ea4c6
Author: Carter Waxman <cwaxman@cisco.com>
Date:   Fri Oct 28 17:56:08 2016 -0400

    fixed expect cache session data insertion

commit e3c70ad588df032b1d0dc89bdcfc6090e88ffe58
Author: Carter Waxman <cwaxman@cisco.com>
Date:   Fri Oct 21 11:06:48 2016 -0400

    Encapsulated dialog

commit cc96d7f938375a78519543f4fc68d735f7cac9eb
Author: Carter Waxman <cwaxman@cisco.com>
Date:   Wed Oct 19 12:03:03 2016 -0400

    Encapsulated sipMsg

commit c79a09e1f82b3698c1808ecb51f84e648687c5d5
Author: Carter Waxman <cwaxman@cisco.com>
Date:   Fri Oct 14 14:58:13 2016 -0400

    Implemented SipEventHandler