Add bug.skia.org redirect to Skia Issue Tracker
Add bug.skia.org redirect to Skia Issue Tracker

BUG=skia:3101

Review URL: https://codereview.chromium.org/1061033002

google/skia-buildbot,Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,google/skia-buildbot,Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot