Add new v3 master with v2 forms, with colander/deform

goal here is to replace FormAlchemy dependency, slowly but surely..
so far only the Settings and Stores views use v3 master

tailbone/templates/master/view.mako

@@ -1,10 +1,10 @@
-## -*- coding: utf-8 -*-
+## -*- coding: utf-8; -*-
 <%inherit file="/base.mako" />
 
-<%def name="title()">${model_title}: ${instance_title}</%def>
+<%def name="title()">${model_title_plural} &raquo; ${instance_title}</%def>
 
-<%def name="head_tags()">
-  ${parent.head_tags()}
+<%def name="extra_javascript()">
+  ${parent.extra_javascript()}
   % if master.has_rows:
       ${h.javascript_link(request.static_url('tailbone:static/js/jquery.ui.tailbone.js'))}
       <script type="text/javascript">
@@ -12,6 +12,12 @@
             $('.grid-wrapper').gridwrapper();
         });
       </script>
+  % endif
+</%def>
+
+<%def name="extra_styles()">
+  ${parent.extra_styles()}
+  % if master.has_rows:
       <style type="text/css">
         .grid-wrapper {
             margin-top: 10px;