Merge from trunk

svn path=/branches/release/boost/fusion/; revision=79274
update from trunk fixing http://boost.2283326.n4.nabble.com/fusion-g-4-6-deque-and-c-0x-compile-error-td4632499.html

svn path=/branches/release/boost/fusion/; revision=79958
Merge from trunk

svn path=/branches/release/libs/fusion/; revision=81060
Merge from trunk

svn path=/branches/release/boost/fusion/; revision=81061