convert some more stuff over to use new cursor APIs.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172932 91177308-0d34-0410-b5e6-96231b3b80d8
[cindex.py]: Use spaces instead of tabs

The tabs slipped in accidentally.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172934 91177308-0d34-0410-b5e6-96231b3b80d8
finish converting the normal cases in ASTReader to use the new BitstreamCursor APIs.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172937 91177308-0d34-0410-b5e6-96231b3b80d8
add back a #include needed on some builders.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172938 91177308-0d34-0410-b5e6-96231b3b80d8