Configure swift logging.

Split logs by storage node proxy and don't fill up the
/var/log/messages.

Set proxy-server in debug.

Only one worker by proxy-server since we are usually in debugging mode.

Change-Id: If39f35b98ad821e8a62e36e4c22e723f83e01db8
diff --git a/files/swift/proxy-server.conf b/files/swift/proxy-server.conf
index 2db6d32..1c567c3 100644
--- a/files/swift/proxy-server.conf
+++ b/files/swift/proxy-server.conf
@@ -1,8 +1,11 @@
 [DEFAULT]
 bind_port = 8080
 user = %USER%
-log_facility = LOG_LOCAL1
 swift_dir = %SWIFT_CONFIG_LOCATION%
+workers = 1
+log_name = swift
+log_facility = LOG_LOCAL1
+log_level = DEBUG
 
 [pipeline:main]
 pipeline = healthcheck cache %AUTH_SERVER% proxy-server