#1071 Fixed access checking when re-uploading an image
(cherry picked from commit 3e7d6588a487811bf0609c76d424690d00a5fc01)
Blog post custom url generation fixed.
(cherry picked from commit 5859c4fb2f1016c8b5d2f10869c122bfcda04552)
Merge branch '1.7.1-fixes'