python-2.7.14: Add pycairo

The previous bulld took pycairo and pygobject required by pygtk from the
/usr/lib python installation. As we are about to remove this
installation we need to include these here.

Change order, so that pygobject is build before pygtk.

python-2.7.14-2.build.sh

@@ -143,9 +143,12 @@ pip install git+git://github.com/tanghaibao/jcvi.git # angefragt von Dr. Jun Yan
 
 # for Klages
 #
+# we need cairo otherwise pygtk won't do the gtk stuff and pygtk.h
+# if we install cairo with wheel, we dont get a pkg-config file.
+pip install --no-binary :all: pycairo
 pip install GPy distribute h5py igraph ranger pep8
-plaininstall pygtk-2.24.0 pygtk-2.24.0.tar.gz https://ftp.gnome.org/pub/GNOME/sources/pygtk/2.24/pygtk-2.24.0.tar.gz
 plaininstall pygobject-2.28.7 pygobject-2.28.7.tar.xz https://ftp.gnome.org/pub/gnome/sources/pygobject/2.28/pygobject-2.28.7.tar.xz
+plaininstall pygtk-2.24.0 pygtk-2.24.0.tar.gz https://ftp.gnome.org/pub/GNOME/sources/pygtk/2.24/pygtk-2.24.0.tar.gz
 plaininstall pygtksourceview-2.10.1 pygtksourceview-2.10.1.tar.gz https://ftp.gnome.org/pub/gnome/sources/pygtksourceview/2.10/pygtksourceview-2.10.1.tar.gz
 # dbus-python: from 1.2.0 on 'Requested 'dbus-1 >= 1.6' but version of dbus is 1.4.0'
 plaininstall dbus-python-1.1.1 dbus-python-1.1.1.tar.gz https://dbus.freedesktop.org/releases/dbus-python/dbus-python-1.1.1.tar.gz