Revert "Revert "Don't make previews full bleed"" (William Casarin)

Revert "Revert "New Timeline"" (William Casarin)

Revert "Increase image size" (William Casarin)

pushed to refs/heads/master

http://git.jb55.com/damus/commit/0b40cd127c929762819426e30fda085ca6e7c3bb.html