use export_exlib_phases

Change-Id: Ib1cd677544922c428dd1e572509604f77f77a99f
cast_fix.patch: Nuke obsolete patch
Version bump to apsw-3.8.6-p1
Version bump to lxml-3.3.6
PyQt5: initial exheres for 5.3.1
PyQt5.exlib: Depend on the corresponding Qt version

PyQt(5) is rather tightly coupled with the Qt version so it needs to
depend on the same ~${PV}.
PyQt5.exlib: Cosmetics
jaraco-util-9.0-r1: Fix test dependencies
mock: don't depend on unittest2

in stdlib for all supported versions

Change-Id: I73943b518e15f932634167855121dc378e13acce
python-keystoneclient: nuke

Change-Id: I1c61b91b6d69d6f2b92774f75b379b57f110a697
unittest2: nuke

Change-Id: Ib854f7fc43e780c57bb6231214811c1f0b588a80
mock: add missing patch

thanks mrothe

Change-Id: I169090d21f1b0637030bf75e05eff7144e203438
Version bump to Cython-0.21
Version bump to lxml-3.4.0
Version bump to sip-4.16.3
Version bump to PyQt4-4.11.2
Version bump to PyQt5-5.3.2
python_abis: 3.1 is no more.
docutils: bump to 0.12

Change-Id: Ie0c20d1a1e5623f1282fb1ffdb135e0ed52d1c6a
PyQt5: fix build with Qt-5.{3.2,4.0-alpha}

Change-Id: I6ccc79f3cf1bec5d1508ea2a7e5b88765ca276bd