Hallo now edits my images,

and each post can display a dedicated photo.

* NpgsqlBlogProvider.cs: implements a blog post photo storage

* BlogsController.cs: implements a method to update the photo url

* style.css: yastyle

* AdminController.cs: refactoring the notification:
Introduces a static `Notice` method, server side, to populate an array
in `ViewData`, used in the paster page.

* BlogsController.cs: Controls the photo update

* YavscHelpers.cs:
* yavsc.circles.js:
* HomeController.cs:
* GoogleController.cs: notification refactoring

* App.master: - notification refactoring
- html structure in the `nav`

* hallo.js: event 'hallomodified' now also occurs at image
  modifications

* to-markdown.js: ?Fixes? html images alt text and title to Markdown

* yavsc.js: implements the photo in database

* Edit.aspx: A nicer bill edition, with a photo

* UserPost.aspx: Displays the photo

* UserPosts.aspx: Fixes the new usage of `ResultPages`

* Web.config: totem custo

* instdbws.sql: adds a `photo` field in the `blog` table

* BlogEntry.cs: defines the photo in the model

* BlogManager.cs: a new method to set the photo on a blog post.

* BlogProvider.cs: the blog provider now also gives some photo

* LocalizedText.fr.Designer.cs: Reordering the french localisation
  resource

* LocalizedText.fr.resx: Reorders the french localisation resource

web/Scripts/to-markdown.js

@@ -507,9 +507,9 @@ module.exports = [
   {
     filter: 'img',
     replacement: function(content, node) {
-      var alt = node.alt || '';
+      var alt = node.getAttribute("alt") || '';
       var src = node.getAttribute('src') || '';
-      var title = node.title || '';
+      var title = node.getAttribute('title') || '';
       var titlePart = title ? ' "'+ title +'"' : '';
       return src ? '![' + alt + ']' + '(' + src + titlePart + ')' : '';
     }