Changes to commit a81a9109ed43e0b3880c9bd88e58f2b21065226b

The ..._CONGO identifier and "... (Congo)" resource string changes are
only to match the current convention that if a locale is not of the
default country of a language we mention the country. This helps in case
we later add the other locale of a language. Having two Lang-IDs then
with different sublanguage and adding the ISO locales is good practice.

For axk-CG it should be LANGUAGE_USER_YAKA_CONGO instead of
LANGUAGE_USER_AKA and the resource string should be "Aka (Congo)",
because it is not the default axk-CF (Central African Republic), see
http://www.ethnologue.com/show_language.asp?code=axk

For kng-CG it should be LANGUAGE_USER_KIKONGO_CONGO instead of
LANGUAGE_USER_KIKONGO and the resource string should be "Kikongo
(Congo)", because it is not the default kng-CD (Democratic Republic of
the Congo), see http://www.ethnologue.com/show_language.asp?code=kng

However, changed name to Koongo instead of Kikongo because that is the
default name even for Congo, see
http://www.ethnologue.com/show_language.asp?code=kng, and used
LANGUAGE_USER_KOONGO_CONGO instead.

For njy-CG it should be LANGUAGE_USER_NJYEM_CONGO instead of
LANGUAGE_USER_NJYEM and the resource string should be "Njyem (Congo)",
because it is not the default njy-CM (Cameroon), see
http://www.ethnologue.com/show_language.asp?code=njy

For puu-CG it should be LANGUAGE_USER_PUNU_CONGO instead of
LANGUAGE_USER_PUNU and the resource string should be "Punu (Congo)",
because it is not the default puu-GA (Gabon), see
http://www.ethnologue.com/show_language.asp?code=puu

For yom-CG it should be LANGUAGE_USER_YOMBE_CONGO instead of
LANGUAGE_USER_YOMBE and the resource string should be "Yombe (Congo)",
because it is not the default yom-CD (Democratic Republic of the Congo),
see http://www.ethnologue.com/show_language.asp?code=yom

For each of these ..._CONGO lang-IDs introduced the default ID and made
the ..._CONGO ID with sublanguage 0x20, adapted corresponding IDs in
*.xml files.

All IDs in those *_CG.xml files needed to be corrected anyway as they
all had a replaceTo="[$CFA-63A]" copied from sg_CF.xml, the ID needs to
match that of the LangID instead.

As all LC_FORMAT element section were identical, made them refer to
kng_CG instead of having duplicated copies, same for LC_CURRENCY.

Removed the executable permission bits from *_CG.xml files.

Change-Id: Iae06af5fbf19e3a3c83a4f4b4dcb857213df629e