Increase the number of gunicorn workers

Author: jsharkey13

checker/server/gunicorn_conf.py

@@ -1,6 +1,6 @@
 bind = "0.0.0.0:5000"
 accesslog = '-'
 access_log_format = '%(p)s %(h)s %(l)s %(t)s "%(r)s" %(s)s - %(L)ss'
-workers = 4
+workers = 6
 backlog = 30
 preload_app = True