Sync oslo cliutils module

Changes -
 * Add field_labels parameter to cliutils.print_list
 * Fix response_key parameter usage in BaseManager
 * Remove unused/mutable default args
 * Centralize bash-completion in Novaclient
 * Fix E126 pep8 errors

Change-Id: I85be2a602ee650ef7f9d50f5f0fada623af8b33c