More unused warning silencing.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@189951 91177308-0d34-0410-b5e6-96231b3b80d8
Adds a VSPackage project that builds a VS extension to run clang-format over a selection / the line at the cursor.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@189955 91177308-0d34-0410-b5e6-96231b3b80d8
ObjectiveC migrator. Refactor last patch on 
annotations. (was r189892).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@189956 91177308-0d34-0410-b5e6-96231b3b80d8