Make nofiles limit configurable, change default

templates/default/strfry.conf.erb

@@ -43,7 +43,7 @@ relay {
     port = <%= @config[:port] || "7777" %>
 
     # Set OS-limit on maximum number of open files/sockets (if 0, don't attempt to set) (restart required)
-    nofiles = 1000000
+    nofiles = <%= @config[:nofiles] || "524288" %>
 
     # HTTP header that contains the client's real IP, before reverse proxying (ie x-real-ip) (MUST be all lower-case)
     realIpHeader = "<%= @config[:real_ip_header] %>"