Make optional modules.conf that allows you to pick the module load order

and to exclude some modules. (see example in trunk/conf)

Make ';' a valid comment in config files 
Interpret a line in config files beginning with "__END__" as eof



git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@608 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_config.c

@@ -101,10 +101,14 @@ SWITCH_DECLARE(int) switch_config_next_pair(switch_config *cfg, char **var, char
 			continue;
 		}
 
-		if (**var == '#' || **var == '\n' || **var == '\r') {
+		if (**var == '#' || **var == ';' || **var == '\n' || **var == '\r') {
 			continue;
 		}
 
+		if (!strncmp(*var, "__END__", 7)) {
+			break;
+		}
+
 		if ((end = strchr(*var, '#'))) {
 			*end = '\0';
 			end--;