* Making hip-clang the default compiler; documentation update
* Adding back --hip-clang to install.sh as a silent option for CI
* Documentation updates for NCCL 2.7
* Restoring deleted line in install script
* Fixing install script to actually install library when requested. Cleaning up unused code.
Removing unused arguments from install script.
Fixing weird whitespacing
* Fixing install script to install to correct location /opt/rocm, now creates symlink in /opt/rocm/lib
* Updates and corrections to README and install script