Fix lupdate to use absolute path

lupdate understand absolute path to mean relative path that is repeated
for all possible entries.

Signed-off-by: Pauli Nieminen <suokkos@gmail.com>
Update translation files to use "absolute" paths

Signed-off-by: Pauli Nieminen <suokkos@gmail.com>
Remove obsolete translations

Signed-off-by: Pauli Nieminen <suokkos@gmail.com>