Brian Steinberg Senior TV EditorHGTV, known for dozens of programs that focus on home makeovers, is doing some remodeling work on a non-traditional structure: its programming lineup.The next spate of series from the cable network – one of the biggest properties in the stable of parent company Discovery – will add new elements to the outlet’s usual spate of fix-it shows and flip-your-house programs, including soapy storylines and a new recognition of the nation’s fragile economic state.In one