Interesting idea, but, That is probably WAY to much coding for people that can't fix the lag in the Store or cause glitches in existing kits every time they come up with a new character.
That said, some of those common ships could be used to fill out existing fleets.
ARC-170 (ARC Trooper)
Torrent Fighter (Crewless)
Jedi Delta (GM.Yoda)
Jedi ETA-2 (Aayla)
X-Wing (Farmboy Luke)
Rebel A-Wing (Crewless)
X-Wing (Hero Poe)
Resistance A-Wing (Crewless)
TIE Heavy (Crewless)
TIE Boarding Craft (Storm Trooper)
Droid Tri-Fighter (Crewless)
FO-TIE-SE Bomber (Crewless)