Check contour fix for Te/Ti >> 1
Following 01f5bf70, the all contour boundaries now properly scale with Te. However, for Te/Ti>>1 cases (possible at low density and significant electron heating), for ITG modes it may be better to scale the contours with Ti, at least on the ion side of the complex plane. This should be investigated, starting with a Ti/Te scan of ITG and at least see if modes are robustly found as Ti/Te decreases a lot (as they should be)