Add async_reduce example
Merge pull request #545 from jaredhoberock/async

Add async_reduce example
Merge pull request #546 from MikeCollinsNvidia/master

Removed dependency on STL iterator_traits
Eliminate specializations of thrust::iterator_traits which are no longer necessary.
Merge pull request #547 from jaredhoberock/iterator_traits

Eliminate specializations of thrust::iterator_traits which are no longer...
Eliminate CUDA's specialization for fill_n.

It's no longer necessary because modern GPUs have better coalescing behavior than Tesla.
Revert "Eliminate specializations of thrust::iterator_traits which are no longer..."
Merge pull request #548 from thrust/revert-547-iterator_traits

Revert "Eliminate specializations of thrust::iterator_traits which are n...
Merge pull request #549 from jaredhoberock/fill

Eliminate CUDA's specialization for fill_n.