This is the original 2.8.0 distributable binary, a new github release named "2.8.0.0" had to be created in order to attach the original zip file.
See INSTALL.html inside the zip for installation instructions.
Zip details:
Built from commit: ca030d1
MD5: 32406f78174e7a46bedf361de8114887
SHA1: 2121c9582b06a966754c60e053849c1ba1cd1071
Release Date: 27 July 2012