Auth Framework, Part 2

Auth class is back up and running to handle user authorizaion
as well as session managment.
Implemented basic usage on admin index class just for an example.

Added a couple of new template files and css to start defining the
overall style of pages and UI.

public/assets/css/front/start.css

@@ -3,3 +3,4 @@
 @import url("typography.css");
 @import url("frame.css");
 @import url("index.css");
+@import url("index-den.css");