Merge pull request #518 in SNORT/snort3 from appid_ws2_plugins to master

Merge pull request #518 in SNORT/snort3 from appid_ws2_plugins to master

Squashed commit of the following:

commit ef92a3c83ddd737d29f044c2d8f70098a81f8574
Merge: f05eab5 a77a7f0
Author: davis mcpherson <davis.mcpherson@gmail.com>
Date:   Wed Jun 15 13:10:13 2016 -0400

    Merge branch 'appid_ws2_plugins' of ssh://bitbucket-eng-rtp1.cisco.com:7999/snort/snort3 into appid_ws2_plugins

commit f05eab50c2d9853be3e73d7cc39fa469e167d8b9
Author: davis mcpherson <davis.mcpherson@gmail.com>
Date:   Wed Jun 15 13:10:07 2016 -0400

    fix issues identified by static analysis, mostly vars unused after assignment

commit a77a7f045c86c280188f49abe65ac065887cd1e9
Author: Steve Chew <stechew@cisco.com>
Date:   Wed Jun 15 11:44:44 2016 -0400

    Added stats for ftp and telnet service plugins.

commit 2fa8f24420d27c3fecbc0b8c37109fbacbe2d8d1
Author: Steve Chew <stechew@cisco.com>
Date:   Wed Jun 15 10:48:41 2016 -0400

    Added counts for ftp and telnet.