Loop and Pause features

[Lachee]

Added onAdvanceLooped option to hook when the headers loop back around.
Made it so the pause class will also pause the ticker (instead of just the hover).

Example of Loop

$('.ticker').ticker({
                itemSpeed: itemSpeed,
                onAdvanceLooped: function() { 
                    if (!has_swapped)
                    {
                        setTimeout(nextOperator, itemSpeed);
                        has_swapped = true;
                    }
                },
            });

Example of pause

$(prev).find('.ticker').addClass('pause');