[youtube] Move initialisation code to constructor() in GDataYouTubeVideo
[youtube] Move initialisation code to constructor() in GDataYouTubeVideo

pwithnall/libgdata,Pecisk/libgdata,Distrotech/libgdata,Distrotech/libgdata,Distrotech/libgdata,Pecisk/libgdata-gtasks,Pecisk/libgdata,pwithnall/libgdata,Pecisk/libgdata,Pecisk/libgdata-gtasks,GNOME/libgdata,Pecisk/libgdata-gtasks