Fix link to zope.component docs (cherry picked from commit fb9c227)

Steve Piercy

2016-07-16 a553e1300b529d05c0f7675202fcb217c0b8a47b

Fix link to zope.component docs
(cherry picked from commit fb9c227)

 docs/conf.py

@@ -77,7 +77,7 @@
    'webtest': ('http://webtest.pythonpaste.org/en/latest', None),
    'who': ('http://repozewho.readthedocs.org/en/latest', None),
    'zcml': ('http://docs.pylonsproject.org/projects/pyramid-zcml/en/latest', None),
    'zcomponent': ('http://docs.zope.org/zope.component', None),
    'zcomponent': ('http://zopecomponent.readthedocs.io/en/stable/', None),
}