Set deployment after generating new manifest

Signed-off-by: Mike Dillion <mike.dillion@pistoncloud.com>
Signed-off-by: Maria Shaldibina <mariash@pivotallabs.com>
Fix parsing persistent disk size

Signed-off-by: Maria Shaldibina <mariash@pivotallabs.com>
Retry director requests on OpenSSL::SSL::SSLError

Signed-off-by: Maria Shaldibina <mariash@pivotallabs.com>