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)
so in this case if you use what I suggest it will look like 
```ruby
expect_to_execute(/xkbctrl trq\.map\.gz/).twice do |p, cmd|
  dump_xkbctrl(:turkish, cmd.split("> ")[1])
end
```