merge xkeyboard-config 2.32, reduce local diffs

merge xkeyboard-config 2.21.

merge xkeyboard-config 2.11.

merge xkeyboard-config 2.3

re-merge xkeyboard-config 2.0

merge xkeyboard-config 1.9 back

initial import of xkeyboard-config-2.0.

this adds new symbols/at, symbols/extras/ir and symbols/extras/ru, as
well as many fixes for other configs.