keogram.cpp: quality parameters
keogram.cpp: quality parameters

Only push the appropriate quality parameters (.png or .jpg), not both.
Remove setting debug based on ALLSKY_DEBUG_LEVEL - the user can use $KEOGRAM_EXTRA_PARAMETERS if they want to set the debug level.
Replaced more space with tabs.
thomasjacquin/allsky,thomasjacquin/allsky,thomasjacquin/allsky