Fix error message and use chef's built-in link command
Fix error message and use chef's built-in link command

Error message on screensharing app failure shouldn't say that Chrome failed to install ;)
Also the failure message references chrome instead

Yesware/sprout,webcoyote/pivotal_workstation,Yesware/sprout,Yesware/sprout,cowboyd/pivotal_workstation,pivotal-sprout/sprout-osx-apps,1000Bulbs/pivotal_workstation,1000Bulbs/pivotal_workstation,wendorf/sprout-osx-apps,pivotal-sprout/sprout-osx-apps,wendorf/sprout-osx-apps,wendorf/sprout-osx-apps,pivotal-sprout/sprout-osx-apps,se3000/pivotal_workstation,webcoyote/pivotal_workstation,1000Bulbs/sprout,1000Bulbs/sprout,webcoyote/pivotal_workstation