Issue #BF-5732: Pre-parse METHOD matches into a sub-map; this prevents

the use of string concatenation for lookups at runtime.

@@ -92,6 +92,9 @@ public class DirectControlServlet extends HttpServlet {
                     BufferedReader in = new BufferedReader(new InputStreamReader(context.getResourceAsStream(mappingFile)));
                     String line;
                     while ((line = in.readLine()) != null) {
+                        if (line.startsWith("#")) {
+                            continue;
+                        }
                         String[] confItem = line.split("=");
                         serviceURLMappings.put(confItem[0], confItem[1]);
                     }