Add grid, CRUD views for Setting model.

This required some tweaks to the base CRUD view etc.

tailbone/templates/settings/crud.mako

@@ -0,0 +1,13 @@
+## -*- coding: utf-8 -*-
+<%inherit file="/crud.mako" />
+
+<%def name="context_menu_items()">
+  <li>${h.link_to("Back to Settings", url('settings'))}</li>
+  % if form.readonly:
+      <li>${h.link_to("Edit this Setting", url('settings.edit', name=form.fieldset.model.name))}</li>
+  % elif form.updating:
+      <li>${h.link_to("View this Setting", url('settings.view', name=form.fieldset.model.name))}</li>
+  % endif
+</%def>
+
+${parent.body()}

tailbone/templates/settings/index.mako

@@ -0,0 +1,12 @@
+## -*- coding: utf-8 -*-
+<%inherit file="/grid.mako" />
+
+<%def name="title()">Settings</%def>
+
+<%def name="context_menu_items()">
+  % if request.has_perm('settings.create'):
+      <li>${h.link_to("Create a new Setting", url('settings.create'))}</li>
+  % endif
+</%def>
+
+${parent.body()}