Add basic support for datasync views

Still no actual daemon wired up yet, but can fake it for UI with this

rattail_demo/web/templates/menu.mako

@@ -110,7 +110,7 @@
         </li>
     % endif
 
-    % if request.has_any_perm('users.list', 'roles.list', 'emailprofiles.list', 'settings.list'):
+    % if request.has_any_perm('users.list', 'roles.list', 'emailprofiles.list', 'datasync.list', 'settings.list'):
         <li>
           <a>Admin</a>
           <ul>
@@ -123,6 +123,9 @@
             % if request.has_perm('emailprofiles.list'):
                 <li>${h.link_to("Email Profiles", url('emailprofiles'))}</li>
             % endif
+            % if request.has_perm('datasync.list'):
+                <li>${h.link_to("DataSync Changes", url('datasyncchanges'))}</li>
+            % endif
             % if request.has_perm('settings.list'):
                 <li>${h.link_to("Settings", url('settings'))}</li>
             % endif

rattail_demo/web/views/__init__.py

@@ -33,6 +33,7 @@ def includeme(config):
     # main table views
     config.include('tailbone.views.brands')
     config.include('tailbone.views.customers')
+    config.include('tailbone.views.datasync')
     config.include('tailbone.views.departments')
     config.include('rattail_demo.web.views.email')
     config.include('rattail_demo.web.views.employees')