Bug 1049569 - Sanitize e.me app url results. r=kgrandon

e.me app result urls often miss the trailing slash. Sanitize them so we
get better bookmarking behaviour in the system browser.
Bug 1049569 - Follow-up, update collection test identifier r=me
Merge pull request #22645 from KevinGrandon/reland_bug_1049569

Bug 1049569 - Sanitize e.me app url results