ignore images for link-at-end test
ignore images for link-at-end test

Most images are now automatically wrapped in links by SE. The regex prevents "link at end" test from being triggered by a link wrapped around an image.
Charcoal-SE/SmokeDetector,ArtOfCode-/SmokeDetector,NickVolynkin/SmokeDetector,Charcoal-SE/SmokeDetector,NickVolynkin/SmokeDetector,ArtOfCode-/SmokeDetector