Send everything in production through the gunicorn logger (allows rotation using USR1). Add a gunicorn logger that emits the logstash format. Move the gunicorn config to the conf subdir. Update the postrotate script to hopefully work.

conf/gunicorn_config.py

@@ -0,0 +1,10 @@
+bind = 'unix:/tmp/gunicorn.sock'
+workers = 8
+worker_class = 'gevent'
+timeout = 2000
+daemon = True
+pidfile = '/mnt/logs/gunicorn.pid'
+errorlog = '/mnt/logs/application.log'
+loglevel = 'debug'
+logger_class = 'util.glogger.LogstashLogger'
+pythonpath = '.'