added field to seed.js to make selecting students from the list easier
added field to seed.js to make selecting students from the list easier

bsimondet/WordRiver_Research,casal033/WordRiver_MAP_Summer,casal033/WordRiver_MAP_Summer,lemmo031/WordRiver-SpaceshipParrot-Iteration1,lemmo031/WordRiver-SpaceshipParrot-Iteration1,bsimondet/WordRiver_Research