Reverse dependencies for sprout

Latest version of the following gems require sprout

Gem	Version	Date	Downloads
papervision3d +5.04 Thousand Downloads	`2.1.921` October 14, 2010	October 14, 2010	5.04 Thousand
puremvc-as3 +4.92 Thousand Downloads	`2.0.4` October 14, 2010	October 14, 2010	4.92 Thousand
flex3sdk +3.45 Thousand Downloads	`3.5.0.pre` June 19, 2010	June 19, 2010	3.45 Thousand
flex4sdk +3.35 Thousand Downloads	`4.0.0.pre` June 22, 2010	June 22, 2010	3.35 Thousand