Changed the Help so that chapters with only 1 page are directly linked, saving a click.

Added pluggable template parser docs.
From the dev list, changed HTMLTemplateExpr to translate all dots in template
variables to underscores, since EXPR's don't do dots, just like TemplateToolkit.

lib/WebGUI/Help/Template_HTMLTemplate.pm

@@ -0,0 +1,17 @@
+package WebGUI::Help::Template_HTMLTemplate;
+
+our $HELP = {  ##hashref of hashes
+	'html template' => {
+		title => 'html template title',
+		body => 'html template body',
+		related => [
+			{
+				tag => 'template language',
+				namespace => 'Asset_Template',
+			},
+		],
+	},
+
+};
+
+1;  ##All perl modules must return true