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This is part (hopefully all) of the fixes for #776.  The top-level
configure.ac configures googletest first and then googlemock.
With this changes it is possible to embed googletest into another
project that uses autoconf.  For an example (though it is WIP), see
the commits (and soon PR) referenced from google/protobuf#236.

Removes testing::internal::String::Format(), which causes problems as it truncates the result at 4096 chars. Also update an obsolete link in comment.

Removes the Windows golden file (by Vlad Losev); implements test result streaming (by Nikhil Jindal and cleaned up by Zhanyong Wan).

Moves the universal printer from gmock to gtest and refactors the cmake script for reusing in gmock (by Vlad Losev).

Adds Each(m) (by Wojtek Moczydlowski); removes scripts/test/Makefile (by Zhanyong Wan); pulls in gtest r424.

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).