Bug#242689: Bug background

[Christian Perrier <bubulle@debian.org>]

The reported problem happens when the master list of mirrors has some
new countries added.

The new country codes are added to the Choices list and all
translators need updating their translations.

We need to change this.

The country names translations are to be taken from the iso-codes
package at build time in a similar way to current countrychooser build
system.

This has to be a two step process:

-build the code list
-with the help of iso-codes, build all PO files as following:
  - from the ISO code, get the english name
  - from the english name, get the translated name

-these PO files are then merged with normal PO files

This will save a lot of work to translators and this will, as a side
effect, solve the problem reported in this BR

I'm not sure I will have time for trying to do this...and if I do,
this will be messy..:-)

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