GAINESVILLE: Ravindra Ahuja, Professor of Industrial and Systems Engineering and President and CEO of Innovative Scheduling in Gainesville, has grown his software and consulting company to 35 employees.  The company, which specializes in producing solutions and decision support systems for the transportation industry, is a product of the Gainesville Technology Enterprise Center business incubator program.  Innovative Scheduling still leases a half dozen rooms at the center on the East side of Gainesville.  According to a recent article in The Gainesville Sun, Ahuja hopes to grow the company between 50 and 100 percent each of the next five years.