Modify MenuItemList so it uses std::vector<> instead of List
Modify MenuItemList so it uses std::vector<> instead of List

I also removed GetCharClass() since it wasn't used and it was in the
unusedcode.easy list.

I don't see any changes in the menus (Mac OS X).

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core