Add documentation for THRUST_VERSION, THRUST_MAJOR_VERSION, THRUST_MINOR_VERSION, and THRUST_SUBMINOR_VERSION.
Add documentation for THRUST_VERSION, THRUST_MAJOR_VERSION, THRUST_MINOR_VERSION, and THRUST_SUBMINOR_VERSION.

Add declarations of namespaces thrust, thrust::deprecated, and thrust::next in version.h and add documentation for them.

--HG--
extra : convert_revision : svn%3A83215879-3e5a-4751-8c9d-778f44bb06a5/trunk%40825

jbrownbridge/thrust,jbrownbridge/thrust,jbrownbridge/thrust,jbrownbridge/thrust