Quickbook: Merge from trunk to quickbook-dev

svn path=/branches/quickbook-dev/boost/version.hpp; revision=75739
Quickbook: Merge to quickbook-dev

svn path=/branches/quickbook-dev/boost/detail/fenv.hpp; revision=76630
Quickbook: Merge from trunk.

Includes blocks in lists fixes, and some documentation changes.

svn path=/branches/quickbook-dev/boost/detail/container_fwd.hpp; revision=77347
Quickbook: Merge from trunk.

svn path=/branches/quickbook-dev/boost/version.hpp; revision=77380