zproject_travis.gsl : refactor detection of GNU tools into a simple routine and use a more "guaranteed" pattern to match
zproject_travis.gsl : refactor detection of GNU tools into a simple routine and use a more "guaranteed" pattern to match

zeromq/zproject,taotetek/zproject,zeromq/zproject,paddor/zproject,paddor/zproject,taotetek/zproject,zeromq/zproject,paddor/zproject,taotetek/zproject