fixes #404

removed premature check for module existence. httpserver is fine being
called with module id (i.e. no ".js" suffix) and will later on complain
anyway if the module doesn't exist.

modules/ringo/httpserver/index.js

@@ -36,7 +36,7 @@ exports.init = function(path) {
     }
 
     options.path = path;
-    if (options.path == undefined) {
+    if (options.path === undefined) {
         if (args[0]) {
             // take app module from command line
             options.path = fs.resolve(fs.workingDirectory(), args[0]);
@@ -48,9 +48,6 @@ exports.init = function(path) {
     if (fs.isDirectory(options.path)) {
         options.path = fs.join(options.path, "main");
     }
-    if (!fs.exists(options.path)) {
-        throw new Error("Module " + options.path + " does not exist");
-    }
 
     log.info("Start app module at", options.path);