Upload(cmd-line): ignore upload issues for unrelated sites
Upload(cmd-line): ignore upload issues for unrelated sites

When uploading to one update site, we cannot fix problems with other
sites anyway, so let's just ignore them.

This problem was noticed by Mark Tsuchida when Micro-Manager's Jenkins job
failed to upload the nightly build to the corresponding update site.

Signed-off-by: Johannes Schindelin <53fb8db7833fca1e1746dd8592f61048d350f64c@gmx.de>

imagejan/imagej-updater