Add: NewGRF support for 16-in-16-out industries

src/lang/english.txt

@@ -2970,6 +2970,8 @@ STR_NEWGRF_ERROR_READ_BOUNDS                                    :Read past end o
 STR_NEWGRF_ERROR_GRM_FAILED                                     :Requested GRF resources not available (sprite {3:NUM})
 STR_NEWGRF_ERROR_FORCEFULLY_DISABLED                            :{1:RAW_STRING} was disabled by {2:RAW_STRING}
 STR_NEWGRF_ERROR_INVALID_SPRITE_LAYOUT                          :Invalid/unknown sprite layout format (sprite {3:NUM})
+STR_NEWGRF_ERROR_LIST_PROPERTY_TOO_LONG                         :Too many elements in property value list (sprite {3:NUM}, property {4:HEX})
+STR_NEWGRF_ERROR_INDPROD_CALLBACK                               :Invalid industry production callback (sprite {3:NUM}, "{1:RAW_STRING}")
 
 # NewGRF related 'general' warnings
 STR_NEWGRF_POPUP_CAUTION_CAPTION                                :{WHITE}Caution!