Merge pull request #1075 from gunrock/develop

MST Bugfix

Update ubuntu.yml [no ci]

Update ubuntu.yml [no ci]

Merge pull request #803 from gunrock/pre-release-1.2

Gunrock Release 1.2

Merge pull request #803 from gunrock/pre-release-1.2

Gunrock Release 1.2

Merge pull request #612 from gunrock/pre-release

Gunrock Release 1.1.0

Updating docs to a more latest release.

Merge pull request #530 from neoblizz/master

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

Merge pull request #508 from gunrock/dev

 Removing json2xml due to security vulnerabilities.

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

…in BFS)