For our Czech, Polish, and Russian translations, they do not need to be at
the more specific 'lang_COUNTRY' code, but can live at just plain 'lang'.
This follows the pattern of most other translated programs out there as
Roman pointed out on IRC.

ru_RU: 2 (pacman and libalpm)
ru: 128 for him, 131 for me (everything else)

Signed-off-by: Dan McGee <dan@archlinux.org>