Include posters in Twitter notifications

* Also cleanup Facebook

lib/requests_oauthlib/compliance_fixes/weibo.py

@@ -0,0 +1,17 @@
+from json import loads, dumps
+
+from oauthlib.common import to_unicode
+
+
+def weibo_compliance_fix(session):
+
+    def _missing_token_type(r):
+        token = loads(r.text)
+        token['token_type'] = 'Bearer'
+        r._content = to_unicode(dumps(token)).encode('UTF-8')
+        return r
+
+    session._client.default_token_placement = 'query'
+    session.register_compliance_hook('access_token_response',
+                                     _missing_token_type)
+    return session