Sort all of Clang's files under 'lib', and fix up the broken headers
uncovered.

This required manually correcting all of the incorrect main-module
headers I could find, and running the new llvm/utils/sort_includes.py
script over the files.

I also manually added quite a few missing headers that were uncovered by
shuffling the order or moving headers up to be main-module-headers.

llvm-svn: 169237
diff --git a/clang/lib/Parse/ParseTemplate.cpp b/clang/lib/Parse/ParseTemplate.cpp
index 26f9d1d..bc80618 100644
--- a/clang/lib/Parse/ParseTemplate.cpp
+++ b/clang/lib/Parse/ParseTemplate.cpp
@@ -12,13 +12,13 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/Parse/Parser.h"
+#include "RAIIObjectsForParser.h"
+#include "clang/AST/ASTConsumer.h"
+#include "clang/AST/DeclTemplate.h"
 #include "clang/Parse/ParseDiagnostic.h"
 #include "clang/Sema/DeclSpec.h"
 #include "clang/Sema/ParsedTemplate.h"
 #include "clang/Sema/Scope.h"
-#include "RAIIObjectsForParser.h"
-#include "clang/AST/DeclTemplate.h"
-#include "clang/AST/ASTConsumer.h"
 using namespace clang;
 
 /// \brief Parse a template declaration, explicit instantiation, or