Added C++11 support (More performance improvements to ROSE compiling large files).
Added C++11 support (Fixed unparseToString (assertion failure from new checking on too many SgUnparse_Info objects (still too many SgUnparse_Info objects used to generate the AST)).
Added C++11 support (Fixed generation of too many SgUnparse_Info IR nodes (AST should be 10% smaller now)).
Merge remote branch 'origin/master' into HEAD