[gentium] gentium fd date

[pavel.farar at centrum.cz]

Hi Karl

>Before I do that, can you change the two date assignments in gentium.rb
>and regenerate, please?  So the new release will have an indication that
>it's changed from the last.

Done.

>I tried running the Ruby script but I guess the Ruby version problem is
>fouling me up (I have ruby 2.0.0p648 (2015-12-16)). Or something. After
>changing 
>  require 'gentium'
>to
>  require './gentium'
>so generate-support-files.rb could find the file, it had some other
>complaint:
>
>    cd gentium/source/fonts/gentium-tug/
>    make  support-files </dev/null
>    ./generate-support-files.rb
>    ./generate-support-files.rb:18:in `block in <main>': undefined method `new' for Encoding:Class (NoMethodError)
>            from ./generate-support-files.rb:17:in `each'
>            from ./generate-support-files.rb:17:in `<main>'

You tried too modern version of Ruby, just seven years old :-(

Pavel