windowManager/win32/win32Window.cpp: Fix IDI_ICON1 and add IDI_ICON2.
windowManager/win32/win32Window.cpp: Use IDI_ICON2 for window's small icon.
windowManager/win32/win32Window.cpp: Have system pick correct small icon.
Tweak win32 resource stuff (including icon).
Revert Tools/CMake/torque.ico to default Torque3D icon.