fixed to work with node 0.5.x

lib/log4js.js

@@ -249,22 +249,15 @@ function getDefaultLogger () {
 }
 
 function findConfiguration() {
-    //add current directory onto the list of configPaths
-    var paths = ['.'].concat(require.paths);
-    //add this module's directory to the end of the list, so that we pick up the default config
-    paths.push(__dirname);
-    var pathsWithConfig = paths.filter( function (pathToCheck) {
-        try {
-            fs.statSync(path.join(pathToCheck, "log4js.json"));
-            return true;
-        } catch (e) {
-            return false;
-        }
-    });
-    if (pathsWithConfig.length > 0) {
-        return path.join(pathsWithConfig[0], 'log4js.json');
+    var path;
+    try {
+        path = require.resolve('log4js.json');
+    } catch (e) {
+        //file not found. default to the one in the log4js module.
+        path = __dirname + '/log4js.json';
     }
-    return undefined;
+
+    return path;
 }
 
 function loadConfigurationFile(filename) {