Use lowercase for a few cmake macros to keep capitalization normalized.
Use lowercase for a few cmake macros to keep capitalization normalized.

paroj/ogre,RealityFactory/ogre,paroj/ogre,OGRECave/ogre,RealityFactory/ogre,paroj/ogre,OGRECave/ogre,paroj/ogre,RealityFactory/ogre,OGRECave/ogre,RealityFactory/ogre,paroj/ogre,OGRECave/ogre,RealityFactory/ogre,OGRECave/ogre