* Re-enabling mp unit tests
* Fixing shared memory leak and other bugs related to shared mem for MP unit tests
* Revert 43bfbfc97bf9edbae1f386d461439091618ff8ed
* Further tightening up unlinks
* Moving test check macros to separate header file
* Tightening up shared memory unlinking for clique kernels, add munmap for host barrier for MP unit tests
* Updating new MP unit test
* Fixing mqueue bug
* Fixing memory leak in MP unit tests
* Fixing temp file creation/deletion for Clique kernel mode.
* Refactoring of MP unit tests; include bugfixes and general support for any number of GPUs
* GroupCall MP UT properly quits when too many devices specified
* MP UT will programmatically set NCCL_COMM_ID if not specified; updated install script
Stanley Tsang