the parameter "url" was removed from Keystone, it was only added
for one release as part of an experimental support for adding
service providers.
BackwardsIncompatibleImpact
Closes-Bug: 1506841
Change-Id: I7a62fbf1d9bfa8e6dd8d619e98c32b9860348d2e
try and add some consistency with the show and delete commands.
replace 'show x' with 'display x'
change 'delete a y' with just 'delete y'
Change-Id: I47dfa8ee23ac5c41b355796415eb515155832f65