android.mk, resource.mk: support for 4.2 scale icons for hi res screens
XCSoar.rc, Resources.hpp: add HD2 4x scale icons resources
SymbolButton.cpp: use preloaded icons for Search and Setup
Resources.hpp: add GET_ICON() macro
IconLook.cpp: use HD2 icons for hires screens
resource.mk: increase zoom of hd icons from 1.6x to 2x

normal are 1x, hd are 2x hd2 are 4.2x
Icon.cpp: add support for HD2 hires icons in LoadResource()
WaypointLook.cpp: enable HD2 hires icons
TaskLook.cpp: enable HD2 hires icon for Target
MapLook.cpp: enable HD2 hires icons
dlgMatItemClick.cpp: fix Est. finish time display

It was showing time remaining on task
NEWS.txt