vdirsyncer: upstream patch to allow lxml>=3.5

Fix a packaging bug that prevent vdirsyncer from working with newer
lxml versions.

While I'm here:
- the icalendar package is not a dependency since version 0.4.4; removed.
- install the example config file.

Close #3242.

srcpkgs/vdirsyncer/patches/lxml.patch

@@ -0,0 +1,36 @@
+From 4e8dbe9598cab324c5883f21257dd476c45815aa Mon Sep 17 00:00:00 2001
+From: Markus Unterwaditzer <markus@unterwaditzer.net>
+Date: Sun, 27 Dec 2015 23:38:02 +0100
+Subject: [PATCH] Only pin down lxml version for PyPy
+
+---
+ setup.py | 9 +++++++--
+ 1 file changed, 7 insertions(+), 2 deletions(-)
+
+diff --git setup.py setup.py
+index 0a4efa6..bffa14b 100644
+--- setup.py
++++ setup.py
+@@ -11,6 +11,7 @@
+ 
+ 
+ from setuptools import find_packages, setup
++import platform
+ 
+ 
+ setup(
+@@ -37,8 +38,12 @@
+         'click-threading',
+         # https://github.com/kennethreitz/requests/issues/2930
+         'requests !=2.9.0',
+-        # https://github.com/untitaker/vdirsyncer/issues/298
+-        'lxml >=3.1, <=3.4.4',
++        'lxml >=3.1' + (
++            # https://github.com/untitaker/vdirsyncer/issues/298
++            ', <=3.4.4'
++            if platform.python_implementation() == 'PyPy'
++            else ''
++        ),
+         # https://github.com/sigmavirus24/requests-toolbelt/pull/28
+         'requests_toolbelt >=0.5.0',
+         'atomicwrites'

srcpkgs/vdirsyncer/template

@@ -1,11 +1,12 @@
 # Template file for 'vdirsyncer'
 pkgname=vdirsyncer
 version=0.7.4
-revision=1
+revision=2
 noarch=yes
 build_style=python-module
 hostmakedepends="python-setuptools"
-depends="python-atomicwrites python-click python-click-log python-click-threading python-icalendar python-lxml python-setuptools python-requests python-requests-toolbelt"
+depends="python-atomicwrites python-click python-click-log python-click-threading
+ python-lxml python-setuptools python-requests-toolbelt"
 pycompile_module="vdirsyncer"
 short_desc="Synchronize calendars and addressbooks"
 maintainer="Oliver Kiddle <okiddle@yahoo.co.uk>"
@@ -20,7 +21,7 @@ pre_build() {
 		version='${version}'," \
 		-i setup.py
 }
-
 post_install() {
-	  vlicense LICENSE
+	vsconf config.example
+	vlicense LICENSE
 }