translate outcome report headers

refs CNVS-3134

test plan
 - outcome report examples and report headers
   should be translated

Change-Id: I4a9fd3e8b47b2e3b095b9c6160123e088508832c
Reviewed-on: https://gerrit.instructure.com/34581
Reviewed-by: Cody Cutrer <cody@instructure.com>
Tested-by: Jenkins <jenkins@instructure.com>
QA-Review: August Thornton <august@instructure.com>
Product-Review: Rob Orton <rob@instructure.com>