refactoring
* Tests.cs:
* Web.csproj:
* T.cs:
* Global.asax.cs:
* UserPost.aspx:
* UserPosts.aspx: 

* HomeController.cs: * Request.UserLanguages may be null

* App.master: a side

* README: yavsc

* TestByteA.cs: if TEST only

* Profile.aspx: nicer

* Web.config: no need of Newtonsoft.Json

* style.css: little buttons

* T.cs: moved to helpers ...
refactoring
* Estimate.aspx: from backoffice

* CatalogManager.cs: Uses GetDefaultProvider

* Catalog.cs: the Catalog object now should support a unique id in the
  system : UID, exposed as one of its properties.

* AccountController.cs: new static method te get an user profile by
  its name.

* AdminController.cs: Uses the Yavsc.Admin namespace (refactoring)

* Web.csproj:
* BlogManager.cs:
* BackOfficeController.cs: refactoring

* BlogsController.cs: Fixes the Blog title

* FrontOfficeController.cs: Changes on the go for the Command object

* AddRole.aspx: minor syntax change

* UserPosts.aspx: show the blog title

* style.css: black transparent for the background of posts

* Profile.cs: Method FromProfileBase became a constructor

* Commande.cs: nothing

* Estimate.aspx: moved to the frontoffice views

* CatalogHelper.cs: Writting GetDefaultProvider