adding consumer update and binding docs
adding a clarification that the bind happens asynchronously
Merge pull request #233 from pulp/mhrivnak-consumerdocs

adding consumer update and binding docs
891760 - added importer and distributor configs to kwargs and kwargs_blacklist to prevent logging of sensitive data
Merge pull request #234 from pulp/jconnor-891760

891760 - added importer and distributor configs to kwargs and kwargs_bla...
Merge branch 'pulp-2.0' into devguide-2.0