Add recipe for poezio (curses xmpp client)

This has been pending on my laptop for a few years, as I work on it
under the contributor's supervision atvarious free software meetups and
events.

dev-python/pycares/patches/pycares-2.3.0.patchset

@@ -0,0 +1,35 @@
+From 453186ac548dd30c1749e26093c61246617d5e8c Mon Sep 17 00:00:00 2001
+From: Adrien Destugues <pulkomandy@pulkomandy.tk>
+Date: Wed, 11 Jul 2018 14:02:51 +0200
+Subject: Add Haiku support.
+
+Just pretend we are NetBSD.
+
+diff --git a/pycares.egg-info/SOURCES.txt b/pycares.egg-info/SOURCES.txt
+index 879798e..dc1fd71 100644
+--- a/pycares.egg-info/SOURCES.txt
++++ b/pycares.egg-info/SOURCES.txt
+@@ -4,6 +4,7 @@ MANIFEST.in
+ README.rst
+ TODO
+ build_inplace
++setup.cfg
+ setup.py
+ setup_cares.py
+ tox.ini
+diff --git a/setup_cares.py b/setup_cares.py
+index 97c4cc6..5044766 100644
+--- a/setup_cares.py
++++ b/setup_cares.py
+@@ -78,6 +78,8 @@ class cares_build_ext(build_ext):
+         elif sys.platform.startswith('freebsd'):
+             self.compiler.add_include_dir(os.path.join(self.cares_dir, 'src/config_freebsd'))
+             self.compiler.add_library('kvm')
++        elif sys.platform.startswith('haiku'):
++            self.compiler.add_include_dir(os.path.join(self.cares_dir, 'src/config_netbsd'))
+         elif sys.platform.startswith('dragonfly'):
+             self.compiler.add_include_dir(os.path.join(self.cares_dir, 'src/config_freebsd'))
+         elif sys.platform.startswith('netbsd'):
+-- 
+2.16.4
+