GitLab

Renames EventListenrs to TestEventListeners (by Zhanyong Wan).
Fixes invalid characters in XML report (by Vlad Losev).
Refacotrs SConscript (by Vlad Losev).

Improves EXPECT_DEATH_IF_SUPPORTED to allow streaming of messages and enforcing the validity of arguments (by Vlad Losev); adds samples for the event listener API (by Vlad Losev); simplifies the tests using EXPECT_DEATH_IF_SUPPORTED (by Zhanyong Wan).

Implements EXPECT_DEATH_IF_SUPPORTED (by Vlad Losev); Fixes compatibility with Symbian (by Araceli Checa); Removes GetCapturedStderr()'s dependency on std::string (by Vlad Losev).

Makes gtest compile clean with gcc -Wall -Werror (by Zhanyong Wan); refactors scons script (by Vlad Losev).

Reduces the flakiness of gtest-port_test on Mac; improves the Python tests; hides methods that we don't want to publish; makes win-dbg8 the default scons configuration (all by Vlad Losev).

Adds sample4_unittest to scons (by Vlad Losev); adds logic for getting the thread count on Mac (by Vlad Losev); adds HasFailure() and HasNonfatalFailure() (by Zhanyong Wan).

Implements death tests on Windows (by Vlad Losev); enables POSIX regex on Mac and Cygwin; fixes build issue on some Linux versions due to PATH_MAX.