ember-test: display fixture data

Signed-off-by: George Shore <george@georgeshore.com>
ember-test: enable item completion display

Signed-off-by: George Shore <george@georgeshore.com>
ember-test: create and complete a todo

Signed-off-by: George Shore <george@georgeshore.com>
ember-test: display incomplete todos

Signed-off-by: George Shore <george@georgeshore.com>