made argument optional and set default to true
removed unnecessary methods and added namespaces and new langage class
changed some private to public properties to get rid of accessor functions
Merge remote-tracking branch 'origin/master'

Conflicts:
	inc_script.php
	layout/inc_nav.php
	scripts/php/Html.php
	scripts/php/Menu.php
	scripts/php/PagedNav.php
	scripts/php/Website.php
general code improvements