added german TODO list

Signed-off-by: kardan <kardan@riseup.net>
usage of pidgin for chat rooms

Signed-off-by: kardan <kardan@riseup.net>
Merge branch 'master' of https://github.com/riseupnet/riseup_help
Merge branch 'master' of https://github.com/riseupnet/riseup_help
migrated german translations

Signed-off-by: kardan <kardan@riseup.net>