split content

This version introduces multiple enhancements:

content splitted to some common files like footer, header, menu

Details of additions/deletions below:
--------------------------------------------------------------

Added:      skin/templates/header.php
            -- Added --
                common header template

Added:      skin/templates/footer.php
            -- Added --
                common footer template

Added:      skin/templates/menu.php
            -- Added --
                common menu template

Added:      lib/Common.php
            -- Added --
                common library for all controllers

Modified:   skin/templates/index.php
            -- Updated --
                whole html content replaced by variables

Modified:   lib/Index.php
            -- Updated --
                indexAction usage of CommonController methods to render template parts