Switch the license to be LGPLv2/later, with small parts still remaining as GPLv2/later, by agreement of major contributors

set locales to C because en_US not installed on some systems, only UTF-8 version and en_US.UTF-8 does not work.

german translation file
and bashscript to update translations

german translation file
and bashscript to update translations

--HG--
extra : rebase_source : e8ec407f60711d42d33be4811b2880088f617b5b