Set better defaults for server logging

The intent is that INFO should be usable to track down issues. That's
not going to work very well if the console handler is at WARN.

Change-Id: I59fbdc94efd1fcb45053183708f5486979852c81
diff --git a/zuul/ansible/logconfig.py b/zuul/ansible/logconfig.py
index 86bcd47..138ad8b 100644
--- a/zuul/ansible/logconfig.py
+++ b/zuul/ansible/logconfig.py
@@ -80,14 +80,14 @@
             # Used for printing to stdout
             'class': 'logging.StreamHandler',
             'stream': 'ext://sys.stdout',
-            'level': 'WARNING',
+            'level': 'INFO',
             'formatter': 'simple',
         },
     },
     'loggers': {
         'zuul': {
             'handlers': ['console'],
-            'level': 'DEBUG',
+            'level': 'INFO',
         },
         'sqlalchemy.engine': {
             'handlers': ['console'],
@@ -108,7 +108,7 @@
     },
     'root': {
         'handlers': ['console'],
-        'level': 'WARN',
+        'level': 'INFO',
     },
 }