Update ruby-sshkit to 1.13.1.

## [1.13.1][] (2017-03-31)

### Breaking changes

  * None

### Bug fixes

  * [#397](https://github.com/capistrano/sshkt/pull/397): Fix NoMethodError assign_defaults with net-ssh older than 4.0.0 - [@shirosaki](https://github.com/shirosaki)

## [1.13.0][] (2017-03-24)

### Breaking changes

  * None

### New features

  * [#372](capistrano/sshkit#372): Use cp_r in local backend with recursive option - [@okuramasafumi](https://github.com/okuramasafumi)

### Bug fixes

  * [#390](capistrano/sshkit#390): Properly wrap Ruby StandardError w/ add'l context - [@mattbrictson](https://github.com/mattbrictson)
  * [#392](capistrano/sshkit#392): Fix open two connections with changed cache key - [@shirosaki](https://github.com/shirosaki)

security/ruby-sshkit/Makefile

@@ -1,6 +1,6 @@
-# $NetBSD: Makefile,v 1.6 2017/03/20 15:10:13 taca Exp $
+# $NetBSD: Makefile,v 1.7 2017/04/22 16:43:35 taca Exp $
 
-DISTNAME=	sshkit-1.12.0
+DISTNAME=	sshkit-1.13.1
 CATEGORIES=	security
 
 MAINTAINER=	[email protected]

security/ruby-sshkit/PLIST

@@ -1,4 +1,4 @@
-@comment $NetBSD: PLIST,v 1.6 2017/03/20 15:10:13 taca Exp $
+@comment $NetBSD: PLIST,v 1.7 2017/04/22 16:43:35 taca Exp $
 ${GEM_HOME}/cache/${GEM_NAME}.gem
 ${GEM_LIBDIR}/.gitignore
 ${GEM_LIBDIR}/.travis.yml
@@ -72,6 +72,9 @@ ${GEM_LIBDIR}/test/unit/formatters/test_custom.rb
 ${GEM_LIBDIR}/test/unit/formatters/test_dot.rb
 ${GEM_LIBDIR}/test/unit/formatters/test_pretty.rb
 ${GEM_LIBDIR}/test/unit/formatters/test_simple_text.rb
+${GEM_LIBDIR}/test/unit/runners/test_group.rb
+${GEM_LIBDIR}/test/unit/runners/test_parallel.rb
+${GEM_LIBDIR}/test/unit/runners/test_sequential.rb
 ${GEM_LIBDIR}/test/unit/test_color.rb
 ${GEM_LIBDIR}/test/unit/test_command.rb
 ${GEM_LIBDIR}/test/unit/test_command_map.rb

security/ruby-sshkit/distinfo

@@ -1,6 +1,6 @@
-$NetBSD: distinfo,v 1.7 2017/03/20 15:10:13 taca Exp $
+$NetBSD: distinfo,v 1.8 2017/04/22 16:43:35 taca Exp $
 
-SHA1 (sshkit-1.12.0.gem) = 684327381ccafb9300ed817fb45b8bbc7f1d8ab1
-RMD160 (sshkit-1.12.0.gem) = 69272156f507b3bc6f625a55d543b9f38f3a5ff7
-SHA512 (sshkit-1.12.0.gem) = 62cacc33d80b3727a73cf0756e620dc85e3ec9829762f415089b17759220031be573d12c1fc55a6e585202526b2bdef5e10298d17f5e62f25ab0087697edbaa5
-Size (sshkit-1.12.0.gem) = 146944 bytes
+SHA1 (sshkit-1.13.1.gem) = dcf5c3bfe69d95145db75d14fd6c3109ca5ef512
+RMD160 (sshkit-1.13.1.gem) = 1fb15c325af6ca83b8625b90c0e38d65c0dd5ee1
+SHA512 (sshkit-1.13.1.gem) = da262cec2c32978a2f315d97ff174e47fbb131f26cbc06f894b3f3119797cd330c48aae1461176861c862b65504b9811fc492b2e162e9848fd09e62ef5ba8a5a
+Size (sshkit-1.13.1.gem) = 147456 bytes