added specs to describe Celluloid::Links
added specs to describe Celluloid::Links
olleolleolle/celluloid,seuros/celluloid,dilumn/celluloid,davydovanton/celluloid,mehta/celluloid,celluloid/celluloid,TiagoCardoso1983/celluloid,jasonm23/celluloid,tarcieri/celluloid,sideci-sample/sideci-sample-celluloid,jstoja/celluloid,kenichi/celluloid,marshall-lee/celluloid