Todo changes

[dnwilson]

Please check off the stories that have been completed in your homework submission. Feel free to add any additional notes to the PR description.

User stories to implement

• A user should not be able to complete a task when creating it.
• A user can filter their view by complete or incomplete tasks.
• A user's default view is filtered to show only incomplete tasks.
• A user should be able to keep multiple lists.
• A user should have access to only their tasks. (may require devise or a creative, lightweight auth system)
• A user viewing a task should see a history of all its changes. (task audit trail)
• A user should be able to see a history of all completed tasks and associated actions. (app audit trail)

Cleanup tasks

• Consolidate the repeated code between the create and edit feature specs for tasks.

Review Status

Note to candidate: Do not edit this section

• Specs Passing
• Two approving reviews