force progressbar width to 80 chars
force progressbar width to 80 chars

also fix trailing linebreak

[#108151422]

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

Pivotal-DataFabric/s3-resource,Pivotal-DataFabric/s3-resource,zachgersh/s3-resource,zachgersh/s3-resource,concourse/s3-resource,concourse/s3-resource