#1912: some copy edits on boost.intrusive

#1932: move semantics for shared objects
#1635: Incomplete include guard in boost/intrusive

[SVN r45704]

libs/interprocess

@@ -1 +1 @@
-Subproject commit 044c20b4773becc9a7ca5c0d8f318b2457eadf74
+Subproject commit 3e4b2e1a7640213390a96e1150723e7103f1afcd