Latest Boost wrapper

Submodule Boost ab3f1ed..4d2742e:
> Fix the version number for trusty.
> Added configuration for trusty.
> Add in clang 3.3.
> Skip the svn update now we're on git.
Add an initial configuration file for trusty.
Latest Boost wrapper.

Submodule Boost 4d2742e..72ec977:
> Stop on error.
Add trusty to list of named platforms.