Fix for no nginx deployment scenarios - eg archives, staging (#1126)

Author: sgiorgetti

conf/httpd.conf

@@ -223,7 +223,7 @@ $MaxSpareServers = $SiteDefs::ENSEMBL_MAX_SPARE_SERVERS;
 $MaxRequestsPerChild = 1000;
 $StartServers    = $SiteDefs::ENSEMBL_START_SERVERS;
 
-@Listen          = ("127.0.0.1:" . $SiteDefs::ENSEMBL_PORT);
+@Listen          = ($SiteDefs::ENSEMBL_PORT);
 
 $ServerAdmin     = $SiteDefs::ENSEMBL_SERVERADMIN;
 $ServerName      = $SiteDefs::ENSEMBL_SERVERNAME;