Updated param descriptions.
Updated param descriptions.

Set default timeout limit to be under the officially recommended
maximum.

Thanks to @kcboyle for a quick assist with doc references.

Signed-off-by: Mike Lloyd <a114c8155387b03f9cc78dad30e0b6023ca43f77@pivotal.io>

sandyg1/pcf-pipelines,sandyg1/pcf-pipelines,rahulkj/pcf-pipelines,rahulkj/pcf-pipelines,sandyg1/pcf-pipelines,pivotal-cf/pcf-pipelines,pivotal-cf/pcf-pipelines,pivotal-cf/pcf-pipelines,pivotal-cf/pcf-pipelines,rahulkj/pcf-pipelines,sandyg1/pcf-pipelines,rahulkj/pcf-pipelines