demag_gui.py: fixed a bug in the equal area select function, speed up some function calls, changed figure in interp editor from a imbedded version of the figure in the main gui to a copy
demag_gui.py: fixed a bug in the equal area select function, speed up some function calls, changed figure in interp editor from a imbedded version of the figure in the main gui to a copy

lfairchild/PmagPy,Caoimhinmg/PmagPy,Caoimhinmg/PmagPy,lfairchild/PmagPy,Caoimhinmg/PmagPy,lfairchild/PmagPy