Increase the upload limit in nginx

Author: alexcrichton

config/nginx.conf.erb

@@ -27,6 +27,7 @@ http {
 
 	#Must read the body in 5 seconds.
 	client_body_timeout 5;
+        client_max_body_size 10m;
 
 	upstream app_server {
 		server localhost:8888 fail_timeout=0;