This adds a new tests directory at the top-level and some extra build
infrastructure. The tests use the Google C++ Testing Framework, and
they will only be built if configure can detect its availability. The
tests are automatically wired-in to run with 'make check'.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Acked-by: Chad Versace <chad.versace@linux.intel.com>
Ian Romanick