Bring stock Find and Replace in line with standards

Find and Replace would typically require user input to receive the
search string from the user, therefore their labels should end with an
elipsis.  Also, these functions operate on documents, not selections.
Finally, Ctrl-H is the commonly used shortcut for Replace, rather than
Help (which is usually F1)

docs/doxygen/mainpages/const_stockitems.h

@@ -39,7 +39,7 @@ Also note that you can retrieve stock bitmaps using wxArtProvider.
 @stock{wxID_EXECUTE,execute,&Execute}
 @stock{wxID_EXIT,quit,&Quit}
 @stock{wxID_FILE,file,&File}
-@stock{wxID_FIND,find,&Find}
+@stock{wxID_FIND,find,&Find...}
 @stock{wxID_FIRST,goto-first-ltr,&First}
 @stock{wxID_FLOPPY,floppy,&Floppy}
 @stock{wxID_FORWARD,go-forward-ltr,&Forward}
@@ -69,7 +69,7 @@ Also note that you can retrieve stock bitmaps using wxArtProvider.
 @stock{wxID_REDO,redo-ltr,&Redo}
 @stock{wxID_REFRESH,refresh,Refresh}
 @stock{wxID_REMOVE,remove,Remove}
-@stock{wxID_REPLACE,find-and-replace,Rep&lace}
+@stock{wxID_REPLACE,find-and-replace,Rep&lace...}
 @stock{wxID_REVERT_TO_SAVED,revert-to-saved-ltr,Revert to Saved}
 @stock{wxID_SAVE,save,&Save}
 @stock{wxID_SAVEAS,save-as,Save &As...}