#1912: some copy edits on boost.intrusive

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

[SVN r45702]

libs/interprocess

@@ -1 +1 @@
-Subproject commit 26139ae6a3d2a27614de50112b088699fec4c1fc
+Subproject commit ffba3d772ae8ab3fee1729948593a2bb273f6bc0