Add macros for unordered_multiset and unordered_multimap.
Add macros for unordered_multiset and unordered_multimap.

--HG--
branch : ogre-gsoc2013-progressive-mesh-improvements

digimatic/ogre,digimatic/ogre,digimatic/ogre,digimatic/ogre,digimatic/ogre,digimatic/ogre,digimatic/ogre