bug 1507916: add missing versions
bug 1507916: add missing versions

This adds a script for adding the missing versions between 40 and 49
for Firefox that aren't available on archive.mozilla.org to the
crashstats_productversion table.

mozilla/socorro,mozilla/socorro,mozilla/socorro,mozilla/socorro,lonnen/socorro,lonnen/socorro,lonnen/socorro,lonnen/socorro,mozilla/socorro,mozilla/socorro