Update provision_cf to hardcode admin/admin

Signed-off-by: Adam Stegman <astegman@pivotallabs.com>
Update get_ip_from_vm_ifconfig regex to be more strict

Signed-off-by: Adam Stegman <astegman@pivotallabs.com>
Update ci-aws-box-build

* Clean up old box files
* Don't update bosh-lite-ami.list

Signed-off-by: Adam Stegman <astegman@pivotallabs.com>
Don't add the box in ci-local-box-build

Signed-off-by: Adam Stegman <astegman@pivotallabs.com>