Attempt to use ruby 2.3.1
The line I edited, to me, seems enough to make omnibus use ruby 2.3.1 but where the MD5 came from was unknown to me.
So I'd appreciate a pointer here where I could find it, as it didn't match with the md5 I got after downloading the tar.bz from ruby-lang.org
Closes #1377 (closed)
/cc @connorshea @DouweM
Edited by GitLab Release Tools Bot