Merge pull request gunrock#530 from neoblizz/master

Merging CUDA 9+ support from V1.0 to V0.5.

Merge pull request gunrock#508 from gunrock/dev

 Removing json2xml due to security vulnerabilities.

Updated ppopp16 test scripts. (added rgg, fixed direction optimizing …

…in BFS)

A release version for PPoPP 2016 artifact evaluation.

Merge branch 'master' of github.com:gunrock/gunrock

Gunrock v0.2 to reproduce PPoPP `15 results.

Gunrock version0.1 release.