Fix #25: Use python path instead of package path

src/io/io_behaviorloader.js

@@ -84,7 +84,7 @@ IO.BehaviorLoader = new (function() {
 	this.updateManualSections = function(callback) {
 		var names = Behavior.createNames();
 		var package_name = names.rosnode_name;
-		ROS.getPackagePath(package_name, (folder_path) => {
+		ROS.getPackagePythonPath(package_name, (folder_path) => {
 			if (folder_path == undefined) {
 				return;
 			}