give some feedback to the user as fly is downloading
give some feedback to the user as fly is downloading

[#87355204]

Signed-off-by: Alex Suraci <a8053324ea51f0cc533cfe7b17f8bee3c920919f@pivotal.io>

cjcjameson/fly,simonjjones/fly,zachgersh/fly,zachgersh/fly,cjcjameson/fly