Regenerate initrd after configuring keyboard (bnc#888804)

* Some autotranslated code polishing (in a different commit for easier review)
* Update dependency on yast2 >= 3.1.94 (new messages)
I don't think it's ignored
https://github.com/rspec/rspec-mocks/blob/master/lib/rspec/mocks/message_expectation.rb#L395
And it works in the testcase
https://github.com/yast/yast-country/pull/39/files#diff-55e81b0a2788715829ba704eb993e3cfR97