* changing datatransfer from CFPasteboard to NSPasteboard API
* factoring and cleaning up
* Switching back naming
* missed file
* getting wxCFStringRef to be independent of system headers
* add unichar include
* using wxCFStringRef in header
* moving to private headers, change method name
* adapting to lesser content in cfstring.h
* Removing malloc/free usage
* use wxScopedArray throughout
* using wxMemoryBuffer instead of char[]
* fixing nonprecomp headers
* missing forward decl in non-precomp builds
