A San Juan Capistrano man convicted last year of bilking 124 elderly investors of more than $11 million in a Ponzi scheme was sentenced to 90 years and eight months in prison today.  Jeffrey Gordon Butler, 51, was convicted in June of 694 felony counts of stealing from elderly investors through the illegal sale of unqualified securities and filing false tax returns.  The judge sentenced Jeffrey Butler to consecutive terms in prison on dozens of counts after he heard emotional victim-impact statements last month from victims who said they lost most of their retirement savings to a man they had trusted.  He is unlikely to live long enough to be eligible for parole.