Felipe Cecagno 4abf4f76d4 if the slide time is 0 and you click on his thumbnail, you will want to see &t=0s, not &t=		2013-09-25 01:32:16 -03:00
..
presentation	if the slide time is 0 and you click on his thumbnail, you will want to see &t=0s, not &t=	2013-09-25 01:32:16 -03:00