Local startup FormZapper has been accepted into SixThirty, a St. Louis-based accelerator program for financial technology. FormZapper, which was profiled in Thinking Bigger Business earlier this year, has built an online document-management platform called LendingStandard for commercial lenders and real-estate lawyers, making it easier for them to collaborate. “We are particularly pleased to have been accepted into SixThirty’s second class, which includes a significant round of seed funding,” said Andy…