add recipe for sprout
add recipe for sprout

pivotal-sprout/sprout-osx-apps,Yesware/sprout,pivotal-sprout/sprout-osx-apps,Yesware/sprout,wendorf/sprout-osx-apps,pivotal-sprout/sprout-osx-apps,wendorf/sprout-osx-apps,wendorf/sprout-osx-apps,Yesware/sprout