Merge pull request #487 from deis/fix-yaml-bug

Fix YAML escape bug on Gunicorn log targets

Author: dmp42

docker_registry/server/env.py

@@ -12,8 +12,8 @@
     'GUNICORN_WORKERS': '4',
     'GUNICORN_GRACEFUL_TIMEOUT': '3600',
     'GUNICORN_SILENT_TIMEOUT': '3600',
-    'GUNICORN_ACCESS_LOG_FILE': '-',
-    'GUNICORN_ERROR_LOG_FILE': '-'
+    'GUNICORN_ACCESS_LOG_FILE': '"-"',
+    'GUNICORN_ERROR_LOG_FILE': '"-"'
 }