imported trafficjam sign

From http://upload.wikimedia.org/wikipedia/commons/3/3c/Zeichen_124.svg
data update (more trafficjam records; use trafficjam sign)
upload-personal target reorganization

* Old gpsman uploader again available, now as upload-personal-gpsman
* Use the ":GPS" flag also for the gpi upload
remove unused target update-from-andreasm

Nowadays a git based workflow would probably be used instead.
data update