postToMap.sh: use ALLSKY_DEBUG_LEVEL
postToMap.sh: use ALLSKY_DEBUG_LEVEL

To be consistent with other scripts, output information if called from the command line (i.e., ON_TTY = 1) or we're at the correct debug level.
thomasjacquin/allsky,thomasjacquin/allsky,thomasjacquin/allsky