The booming non-conforming mortgage market continued to provide much of the vigor that fed a sharp 20 percent increase in new loan originations during the second quarter of 2005, according to a new market analysis and ranking by Inside Mortgage Finance. While the conventional conforming market continued to represent the largest segment of the new production environment in 2005 – 36.2 percent of first-half originations – the subprime and Alt A sectors continued to grab…