Revert to bosh-cli-alpha-artifacts location
Revert to bosh-cli-alpha-artifacts location

[#152726607](https://www.pivotaltracker.com/story/show/152726607)

Signed-off-by: Luan Santos <509a85c757dc22c0257f4655fb3fb682d42f965b@pivotal.io>

barthy1/bosh,barthy1/bosh,barthy1/bosh,barthy1/bosh