Support is growing on a key legislative committee for a bill that would abolish Connecticut's death penalty, possibly before serial killer Michael Ross' scheduled May Eleventh execution.   Representative Michael Lawlor, who is co-chairman of the Judiciary Committee, said today it appears that an abolition bill could pass out of the committee next week.  Lawlor says it remains questionable whether there is enough support in the legislature to pass an abolition bill. Lawlor said there could be more support for a temporary moratorium.    That proposal is being pushed by the American Civil Liberties Union of Connecticut if lawmakers don't eliminate capital punishment. [more]