Min med for GFP cells

From https://wahoo.cns.umass.edu/node/857

For SfGFP cells, try M9 + 0.2% glycerol + 0.01 mM FeSO4

To make	mL min med
start with	mL 10X M9
add:	mL 100% glycerol
add:	mL 10mM FeSO4

Bring to final volume, filter sterilize