[C++11] Replacing CompoundStmt iterators body_begin() and body_end() with iterator_range body(). Updating all of the usages of the iterators with range-based for loops.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@204040 91177308-0d34-0410-b5e6-96231b3b80d8
clang-format: Indent from dict literal labels.

Before:
  @{
    NSFontAttributeNameeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee :
    regularFont,
  };

After:
  @{
    NSFontAttributeNameeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee :
        regularFont,
  };

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@204041 91177308-0d34-0410-b5e6-96231b3b80d8