Qt supplied translations are not embedded.

Update to upstream version '1.8.0+ds'
with Debian dir 6dee22fdc0616d201681fc99024a24ac9a17d9a8

This reverts commit 2c06c726.

* rc1 for 1.8.0 release

* update gui about copyright.

* update translations again.

enable hypertext link.
fix overelapping text on linux, windows.
fix "never show this message again".
fix donate hypertext link target.

* finish killing gui charset handling.

* more char set dead code cleaning

* even more dead code buried.

empty statements, unreachable code, member funct can be const.

* capture git hash on github action builds.

* modernize version sha display

* delete stray space

* Move destinator from ctime to QDateTime.

This feels a bit like rearranging Titanic chairs, but I needed to reduce
callers of strptime. This is another format I think we've rewritten a
couple of times without evidence of users. Most of the traffic in the last
ten years has been complaints of it not working

Destinator, consider yourself warned. You're on the death watch...

 sed --in-place 's/[[:space:]]\+$//' $*

 This is only the xmldoc part of 9935496f5c8c772ea11785ff489768dbb2de5d4f

* PDF maker: format screen and input same. Shrink padding slightly.

* add initial support for cmake build options.

including basic library configuration.
Unlike our qmake build it generates and links with static libraries if
we are using our internally supplied copies.  The configuration options
are not as sophisticated as in our qmake build.  The configuration of
zlib will likely be acceptable as cmake provides support via findZLIB.
The configuration of shapelib and libusb-1.0 likely will likely need to
be enhanced.

* fix typo

* mimic qmake library searches.

too much energy went into verification with packagers that the
qmake options were sufficient for their needs.

* tweak library searches

* add CTest tests.

* add note about improvements for ctest.

* running xmlwf and utf8bom tests is appropriate for single tests.

* use hierarchy with cmake.

* adjust cmake test script for hierarchy.

the default target with cmake builds both the CLI and the GUI.
alternatively, "cmake --build . --target gpsbabel" to build just the
CLI or "cmake --build . --target GPSBabelFE|gpsbabelfe to build just
the GUI.

* detect attempts to generate a build system from a subdirectory.

* fix shellcheck issues.

* make gbversion.h, setup.iss generated files.

add cmake documentation targets.

* work on check.

* simplify parameter passing to test scripts.

* cmake test work.

run vtesto in parallel.
fix valgrind decision making in testo.
fix test for gpsbabel executable with blanks in path.

* update vtesto for cmake.

* simplify option passing for testo.

* simplify valgrind detection in testo.

* fix testo bug.

* add ubuntu cmake build.

* fix workflow

* align gui pro and CMakeLists.

and use target properties

1. Jan 01, 2017 269c55eb Robert fixes ftruncate issue.
2. Jan 23, 2017 604178aa HarelM fixes same a different way.
3. Jan 25, 2017 8456d1d2 Robert merges resulting in duplicate fixes.

I am backing out HarelM's fix.