Added some missing STL-like wxArray/wxArrayString constructors.
Added helper class wxCArrayString, better replacement for
wxArrayString::GetStringArray.
Added overloaded constructors and Create() methods taking
a wxArrayString for wxCheckListBox, wxChoice, wxComboBox,
wxListBox, wxRadioBox, wxSingleChoiceDialog, wxMultipleChoiceDialog.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@25440 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775