GitLab

Contributed by tk@giga.or.at.

Adds threading support (by Vlad Losev); updates the version number (by Zhanyong Wan); adds release notes for 1.5.0 (by Vlad Losev).

Adds threading support (by Miklos Fazekas, Vlad Losev, and Chandler Carruth); adds wide InitGoogleTest to gtest.def (by Vlad Losev); updates the version number (by Zhanyong Wan); updates the release notes for 1.5.0 (by Vlad Losev); removes scons scripts from the distribution (by Zhanyong Wan); adds the cmake build script to the distribution (by Zhanyong Wan); adds fused source files to the distribution (by Vlad Losev and Chandler Carruth).

Changes config_aux to build-aux to conform with the convention.  Simplifies the configuration commands in README.  By Chandler Carruth.

Enables the Python tests to run with 2.3 (necessary for testing on Mac OS X Tiger); also fixes gtest_output_test when built with xcode.