Convert Bind Itineraries to use Celery Tasks
Fix base class for MockTaskResult
Fix errors in the exception class & add better descriptions to the hashtable comparison util
Fix flake8 & bugs
Fix the copyright date to 2014
Add shell for unit test cases
Add error codes and return error information to the cli
Update for PR comments
Merge pull request #758 from pulp/barnabycourt-itineraries

Convert the Bind itineraries to tasks & fix unit tests