emit and look for DC_EVENT_(SMTP|IMAP)_CONNECTED events which are INFO events so that we can also for other events convert the C-code easily (just use "dc_log_event" instead of "dc_log_info")

python/conftest.py

@@ -34,6 +34,7 @@ def acfactory(pytestconfig, tmpdir, request):
             configdict = self.configlist.pop(0)
             tmpdb = tmpdir.join("testdb%d" % self.count)
             ac = Account(tmpdb.strpath)
+            ac._evlogger.set_timeout(10)
             ac.set_config(**configdict)
             if started:
                 ac.start()