c++2011: add constexpr, char16_t and char32_t tokens
c++2011: add constexpr, char16_t and char32_t tokens

hlamer/kate,DickJ/kate,hlamer/kate,hlamer/kate,hlamer/kate,hlamer/kate,jfmcarreira/kate,DickJ/kate,jfmcarreira/kate,hlamer/kate,sandsmark/kate,sandsmark/kate,hlamer/kate,DickJ/kate,hlamer/kate,hlamer/kate,hlamer/kate,cmacq2/kate,DickJ/kate,cmacq2/kate,cmacq2/kate,sandsmark/kate,jfmcarreira/kate,sandsmark/kate