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Created file to add githalytics tracking code.
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Updated tracking code.
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Reverted Tracking code.
Merge branch 'next'
Added helper function as workaround for VC++ bug in std::future::wait_for.
Fix for non-MSVC builds.
Updated Sleep functions.
Fixes for GCC compiler errors and style fixes.
Removed unneeded GCC pragmas.
minor clean-up while investigating timeout on windows
Merge remote-tracking branch 'origin/next' into mjcaisse
Removed use of CMake function 'label_as_critical_tests'.
License update, to allow greater developer freedom.
Replaced license and contributor agreement with new versions.
* check precondition on constructor.  * fix Back to return item_.back   * make terminal type safe
Minor update.
clang-modernise