v0.8.16 Release Notes

5 new packages since 0.8.15:

• cram
• metis
• otf
• ravel
• scotch
• Fix for SAMRAI fetch URL.

For packagers

• MPICH now sets up MPICH_CC, MPICH_CXX, etc. in dependent environment
  so that dependency builds use Spack compiler wrappers.
• Simpler build error messages on fail (no more python stacktrace)
• Disable CMake policy warnings in std_cmake_args.
• Remove superfluous compiler wrapper links (g++ link interfered with icpc)
• Several new packaging helper functions:
  • install_tree
  • traverse_tree
  • force_symlink