Retry three times on HTTP failure
Retry three times on HTTP failure

Signed-off-by: David Morhovich <1d2e5394c2c3adc275fab845f5e23fc4a9634ec0@pivotal.io>

flavorjones/mini_portile,luislavena/mini_portile,flavorjones/mini_portile,luislavena/mini_portile