I don't know if this is it because you say you were successful in the past, but don't forget to keep it humid in the greenhouse and mist the leaves a few times a day.
It will revert to veg , got sum in veg now, check your sunrise n sunset, last time I checked we have 15 hours of sunlight on the east coast,and I wud say that even 13 hours of sunlight is pushin it for flowering. 12/12 is the standard.
Ozgrower..I recommend you check out Www.erowid.org , great site for information on your topic as their forum is all about experiences n fun stuff, good reads
Chances are the thief will not be able to keep the plants alive, given the fact that he had to steal 3 week old plants , he's not gonna know the frst thing on how to grow sum good sinsemilla. And now he has an enemy, not smart at all.
Don't forget about the countless single banana leafers that it will most likely have. They usually are evrywhere on a hermie and just a few could pollinate the plant.
Yup, definately will be all seeds and some very low quality bud if you let her finish. Looks pretty healthy otherwise :). Bad genetics is the most probable cause.
Also some strains are very sensitve to topping/FIMing/heavy pruning, and can easily turn into hermies. Make sure you don't fuck with...