Many changes :

* JsonReaderError.aspx: display a nice json conversion error

* CalendarEntryList.cs: new Google data for the calendar entries

* JsonReaderError.cs: Json error model

* README.md: Documentation url

* NpgsqlBlogProvider.cs: Update the blog post title

* BlogsController.cs: - Updating the blog post title
- bug fix rendering the avatar

* FrontOfficeController.cs: - the client cannot modify its estimation

* GoogleController.cs: - implementing the calendar entries retrieval

* HomeController.cs: - the home start page from configuration
  parameter named "StartPage"

* Global.asax.cs: - back to a clean global.asax

* style.css: showing the main area with a background transparent color

* Post.aspx: Bug fix: the message was displayed two times (we keep the
  one from app.master)

* UserPost.aspx: the blog title comes from the poster profile found in
  ViewData

* DateQuery.aspx: implementing the date query

* Web.config: the start page now comes from Web.config

* Web.csproj: the Sql db creation script should not be deployed,
  neither as package.config

* BlogManager.cs: updating the blog post title

* BlogProvider.cs: yavscModel/Blogs/BlogManager.cs


* YavscModel.csproj: new cs files to compile

* App.master: returning from the Google login

web/Models/App.master

@@ -50,7 +50,7 @@
 	 <span class="hidcom"> Page d'accueil </span>
 	<%= Html.ActionLink("Login", "Login", "Account", new { returnUrl=Request.Url.PathAndQuery }, new { @class="actionlink" } ) %>
 	<span class="hidcom">Pour pouvoir poster ou commenter</span>
-	<a href="<%=Request.Url.Scheme + "://" + Request.Url.Authority + "/Google/Login"%>?returnUrl=<%=ViewData["returnUrl"]%>" class="actionlink">
+	<a href="<%=Request.Url.Scheme + "://" + Request.Url.Authority + "/Google/Login"%>?returnUrl=<%=Request.Url.PathAndQuery%>" class="actionlink">
 	<img src="/images/sign-in-with-google-s.png" style="max-height:1.5em; max-width:6em;" alt="Google sign in">
 	</a>
 	<span class="hidcom">S'authentifier avec son compte Google+</span>