rccl 0.6.0-rc1

Release 0.6.0-rc1

Difference from 0.5.0

• Bug fixes to rcclCommInitRank and rcclCommDestroy
• More documentation added to code
• Added travis ci to rccl repo
• Modularized rccl source code
• Tidied allreduce kernels
• Added rcclReduce support

Major Features and Improvements

• Added rcclAllReduce sample
• Performance increase across all the ops

Thanks to Contributors

@abhinavvishnu @jichangjichang