Fix randmtzig_randn and randmtzig_exprnd methods for dsfmt state argument. Move randmtzig code to Random module
Merge pull request #8106 from JuliaLang/anj/randmtzig

Fix randmtzig_randn and randmtzig_exprnd methods for dsfmt state argument
Merge branch 'origin-master'
Implement fma and mad