Update documentation and Doxygen icon location

Signed-off-by: VirtualTam <virtualtam@flibidi.net>

Doxyfile

@@ -51,7 +51,7 @@ PROJECT_BRIEF          = "The personal, minimalist, super-fast, no-database deli
 # pixels and the maximum width should not exceed 200 pixels. Doxygen will copy
 # the logo to the output directory.
 
-PROJECT_LOGO           = images/logo.png
+PROJECT_LOGO           = doc/md/images/logo.png
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) path
 # into which the generated documentation will be written. If a relative path is

doc/md/Bookmarklet.md

@@ -13,7 +13,7 @@ _This bookmarklet button is compatible with Firefox, Opera, Chrome and Safari. U
 - When you are visiting a webpage you would like to share with Shaarli, click the _bookmarklet_ you just added.
 - A window opens.
     - You can freely edit title, description, tags... to find it later using the text search or tag filtering.
-    - You will be able to edit this link later using the ![](https://raw.githubusercontent.com/shaarli/Shaarli/master/images/edit_icon.png) edit button.
+    - You will be able to edit this link later using the ![](images/edit_icon.png) edit button.
     - You can also check the “Private” box so that the link is saved but only visible to you.
 - Click `Save`.**Voilà! Your link is now shared.**