Refactor pages.

src/_h5ai/backend/php/pages/info.php.jade

@@ -0,0 +1,20 @@
+extends ./page.tpl.jade
+
+block init
+
+    - var TITLE = pkg.name + ' info page - v' + pkg.version
+    - var MODULE = 'info'
+
+block body
+
+    div#content
+        h1#header
+            a( href="#{pkg.homepage}" ) #{pkg.name}
+
+        div#support
+            | Show your support with a donation!
+            div.paypal
+                form( action="https://www.paypal.com/cgi-bin/webscr", method="post", target="_top" )
+                    input( type="hidden", name="cmd", value="_s-xclick" )
+                    input( type="hidden", name="hosted_button_id", value="8WSPKWT7YBTSQ" )
+                    input( type="image", src!="#{PUBLIC_HREF}images/ui/paypal.svg", width="100px", border="0", name="submit", alt="PayPal - The safer, easier way to pay online!" )