Tweaking the README.md.
Tweaking the README.md.

SRI-CSL/whole-program-llvm,SRI-CSL/whole-program-llvm,riyadparvez/whole-program-llvm,travitch/whole-program-llvm,riyadparvez/whole-program-llvm,riyadparvez/whole-program-llvm,travitch/whole-program-llvm,SRI-CSL/whole-program-llvm,travitch/whole-program-llvm,SRI-CSL/whole-program-llvm,riyadparvez/whole-program-llvm,SRI-CSL/whole-program-llvm,travitch/whole-program-llvm