vchoi_fork

Merge pull request #1277 in HDFFV/hdf5 from ~BYRN/hdf5_adb:develop to develop

* commit '2a95ab5acbe032f58891b653f56b9db8a4938d95':
  TRILABS-21 add toolchain related info and files
  TRILABS-21 Add intel compiler support
  Fix undef for Xl compilers
  TRILAB-21 Intel flags