State was not being passed correctly for rand!(state, array).
Remove unused functions in librandom.jl.
Add genrand_close1_open2 back as we need it for randn().
Fix #6573 for now by avoiding the dsfmt_fill_array calls.
There appears to be a small slowdown as a result when generating large rand arrays.
Unfortunately, Makefiles are even simpler than I thought
Merge pull request #6581 from JuliaLang/vs/6573

Disable fill_array calls in DSFMT to fix 6573
ke should also be Uint64 in the ziggurat implementation.