menu_button.svg, zooom_in, zoom_out: make square.  Fix for PC build

Overlay buttons are square in PC so use square icons.
GlueMapWindowOverlays.cpp: display flight mode icon
GlueMapWindowOverlays.cpp: show SIMULATOR/REPLAY message
GlueMapWindowOverlays.cpp: make buttons for PC same size as OPENGL
GlueMapWindowOverlays.cpp: remove logger on / off icon

In TopHat, the logger is always on when flying
GlueMapWindowOverlays.cpp: fix zoom button position in portrait for PC
TaskNavSliderShape.cpp: fix PC background

For the first and last point in the task, it was not clearing the
background to the left and right of the first and last slider shape.
TaskNavSliderShape.cpp: fix outline for PC

It was not drawing the outline for PC
TaskNavSliderShapeWidget.cpp: refresh widget for WIN32

It was not redrawing the widget periodically so navigation information
was stale in WIN32.
TaskNavSliderShape.cpp: fix background for WIN32

Background to right of Goto task was not clearing.  Also widen
background area by 1 pixel.
ExpandMacros.cpp: allow prefix true text for fixing some translations

Fixes translations for "* North up", "* Track up", etc where the "*" is prefixed
to the text indicates it is active