Update MASTER_SITES
Remove superfluous post-install chmod (no change to package)

While here:
Update WWW which was redirecting

$ curl -I http://eagain.net/gitweb/?p=gitosis.git
HTTP/1.1 302 Found
Location: https://github.com/tv42/
Date: Wed, 25 Jan 2017 14:14:47 GMT
Content-Type: text/plain; charset=utf-8

PR: 216386
Submitted by: Douglas Thrift <douglas@douglasthrift.net> (maintainer)