Updated pywikibot/core
Project: pywikibot/externals/httplib2  bc767c59f4f03bee0d8fd3b3e7bfc462c26de4de

Add wrapper to allow direct external import

This allows us to do import httplib2 after pwb.py
has fixed up paths (which includes externals, but not
externals/httplib2/python2).

Change-Id: I4363234f87d9d024cc15001ec06bfd42529d639d