Revert my attempt to use collection_size_type/version_type

consistently throughout the serialization library; I need to do so in
a way that maintains archive compatibility.


[SVN r62047]

libs/serialization

@@ -1 +1 @@
-Subproject commit 9b5a6a8b8148b829268180c40a1a347919b480c8
+Subproject commit 038f49b18bf472670facfb2d2bc7d466c0353556