added the missing page template for bootstrap theme

bootstrap/templates/page.html

@@ -0,0 +1,8 @@
+{% extends "base.html" %}
+{% block indextitle %}{% endblock %}
+{% block content %}
+	<div class='page'>
+		<div class="page-header"><h1>{{ page.title }}</h1></div>
+		<div>{{ page.content }}</div>
+	</div>
+{% endblock %}