Re-enable lxml.de outage workaround.

lxml is available on pypi so direct there.

Avoid using any meta-information, as they direct to lxml.de site, which is
down really often.

component/lxml-python/buildout.cfg

@@ -13,9 +13,18 @@ PATH = ${libxslt:location}/bin:%(PATH)s
 [lxml-python]
 recipe = zc.recipe.egg:custom
 egg = lxml
+
+# Note: Workaround lxml.de issues blocking buildout runs
+# Empty index makes setuptools NOT trying to find any meta information about
+# lxml...
+index =
+# ...so it is wise to tell where lxml can be found
 find-links =
   http://pypi.python.org/pypi/lxml/2.2.8
   http://pypi.python.org/pypi/lxml/2.3
+# Note: Whenever someone is going to remove it, one shall check, that buildout
+# can run in newest mode, without any locally downloaded cache
+
 rpath =
   ${libxml2:location}/lib/
   ${libxslt:location}/lib/