Nested fgFACE inside fgFRAGMENT since its not used anywhere else.
./Simulator/Objects/material.cxx
./Simulator/Objects/material.hxx
Made fgMATERIAL and fgMATERIAL_MGR bona fide classes with private
data members - that should keep the rabble happy :)
./Simulator/Scenery/tilemgr.cxx
In viewable() delay evaluation of eye[0] and eye[1] in until they're
actually needed.
Change to fgTileMgrRender() to call fgMATERIAL_MGR::render_fragments()
method.
./Include/fg_stl_config.h
./Include/auto_ptr.hxx
Added support for g++ 2.7.
Further changes to other files are forthcoming.
Brief summary of changes required for g++ 2.7.
operator->() not supported by iterators: use (*i).x instead of i->x
default template arguments not supported,
<functional> doesn't have mem_fun_ref() needed by callbacks.
some std include files have different names.
template member functions not supported.
