Add 2 new packages to chromiumos-overlay

dev-python/parallel-ssh
dev-python/ssh2-python

These packages do not exist in gentoo - importing from PiPy

BUG=None
TEST=Moblab and tryjob.

Cq-Depend: chromium:1598725
Change-Id: If656dc9badf2e43f1226505a998e49a1df2fa729
Reviewed-on: https://chromium-review.googlesource.com/1633012
Commit-Ready: Keith Haddow <haddowk@chromium.org>
Tested-by: Keith Haddow <haddowk@chromium.org>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Keith Haddow <haddowk@chromium.org>
Reviewed-by: Jason Clinton <jclinton@chromium.org>
diff --git a/dev-python/parallel-ssh/Manifest b/dev-python/parallel-ssh/Manifest
new file mode 100644
index 0000000..c23e2e1
--- /dev/null
+++ b/dev-python/parallel-ssh/Manifest
@@ -0,0 +1 @@
+DIST parallel-ssh-1.9.1.tar.gz 100097 BLAKE2B b5d095a369ddc7df9838c1754c4a5f4e2893a71c8ac7f3e459d9e3cc6a2ceee98d7da9a7bcd9c3b702d0fa7c2960ffc477601f1e70dfe24a2f469338780d5a15 SHA512 8c14c1766a49c4d96907c43b773c33fb386786bb8646f63bfda454e266dc340cf7688b5f18d57500c0819044b0da92eb3776a98a682b4546c1d9a50959eab460
diff --git a/dev-python/parallel-ssh/parallel-ssh-1.9.1.ebuild b/dev-python/parallel-ssh/parallel-ssh-1.9.1.ebuild
new file mode 100644
index 0000000..bdc57c5
--- /dev/null
+++ b/dev-python/parallel-ssh/parallel-ssh-1.9.1.ebuild
@@ -0,0 +1,22 @@
+# Copyright 2019 The Chromium OS Authors. All rights reserved.
+# Distributed under the terms of the GNU General Public License v2.
+
+EAPI=6
+
+PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} pypy )
+
+inherit distutils-r1
+
+DESCRIPTION="Asynchronous parallel SSH client library."
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="*"
+
+RDEPEND="dev-python/gevent
+		dev-python/ssh2-python
+		net-libs/libssh2"
+
+DEPEND="${RDEPEND}
+	dev-python/setuptools[${PYTHON_USEDEP}]"