add api date time regular expressions

also add helper method to create error reports

refs CNVS-10087
refs CNVS-9618

test plan
 - specs should pass

Change-Id: I74f40dd16a85a0d95f9b152f6750ec98aade2ba5
Reviewed-on: https://gerrit.instructure.com/33114
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Anthus Williams <awilliams@instructure.com>
Product-Review: Rob Orton <rob@instructure.com>
QA-Review: Rob Orton <rob@instructure.com>