Fix documentation typos

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197757 91177308-0d34-0410-b5e6-96231b3b80d8
Makefile.ocaml: Tweak to use --system-libs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197758 91177308-0d34-0410-b5e6-96231b3b80d8
move test back into the parent directory and add a REQUIRES: obj emission.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197759 91177308-0d34-0410-b5e6-96231b3b80d8