Add WriteFreely version to admin dash

templates/user/admin.tmpl

@@ -135,6 +135,8 @@ function savePage(el) {
 
 	<div class="ui attached table segment">
 		<dl class="dl-horizontal admin-dl-horizontal">
+			<dt>WriteFreely</dt>
+			<dd>{{.Version}}</dd>
 			<dt>Server Uptime</dt>
 			<dd>{{.SysStatus.Uptime}}</dd>
 			<dt>Current Goroutines</dt>