[factoring] dedicate folder for layout interface
Merge branch 'master' into layouts
Merge branch 'master' into layouts
constructor and permalink for anchor class
[factoring] Anchors class takes now in charge the intanciation of a layout
[factoring] first definition of a autoload function for core classes
[layouts] refactored layout_as_accordion
[clean] add a newline
[layouts] bounded styles for accordion layout
[layouts] bounded script and rendering function for accordion layout