Release 1.0.0

Added

• Includes i18n directory in package.
• Adds a new clearsource_history command/operation.
• Adds new parameter return_last_job_status to harvest_source_list
• Documentation for logs API

Changed

• gather_stage returns empty list instead of None if errors occurs
• Change redirect calls to h.redirect_to

Fixed

• Fix namespace package declarations
• Only purge own data when calling queue_purge with redis
• Fix default_groups behavior