Added first pass at support for building TiddlyWiki 2.6.x with TW5

There are still some whitespace and attribute ordering issues, but the
result runs correctly.

tw2/source/tiddlywiki.com/tiddlywiki-com/ExamplePlugin.js

@@ -0,0 +1,21 @@
+/***
+|''Name:''|ExamplePlugin|
+|''Description:''|To demonstrate how to write TiddlyWiki plugins|
+|''Version:''|2.0.3|
+|''Date:''|Sep 22, 2006|
+|''Source:''|http://www.tiddlywiki.com/#ExamplePlugin|
+|''Author:''|JeremyRuston (jeremy (at) osmosoft (dot) com)|
+|''License:''|[[BSD open source license]]|
+|''~CoreVersion:''|2.1.0|
+|''Browser:''|Firefox 1.0.4+; Firefox 1.5; InternetExplorer 6.0|
+***/
+
+//{{{
+
+// Uncomment the following line to see how the PluginManager deals with errors in plugins
+// deliberateError();
+
+// Log a message
+pluginInfo.log.push("This is a test message from " + tiddler.title);
+
+//}}}