------------------------------------------------ * Add model method for superlative “last completed block” - for site awareness include every last completed block by course, for later sorting in business layer.
0.0.7
------------------------------------------------ * Add settings and service method for determining completion-by-viewing delay.
0.0.6
------------------------------------------------ * Add the additional completion logic into the service and models from edx-platform
0.0.2
------------------------------------------------ * Fix up edx-lint requirements shenanigans.