There are two key logo's that need to be identifiable/incorporated within this copy. One is the Ruby logo (which can be found at http://ruby-lang.org) and the other is the LLVM logo (which can be found at http://llvm.org).
If you use fonts that require a license, confirm with the client they're ok with it. For licensing reasons, it is better to provide your client with information on how to acquire the font rather than providing the actual files.
Abstract representation of a ruby.