enable exporting costumes and variable-data

in the newest Chrome version, which disables opening tabs on dataURLs
(did I miss any more isntances of this?)

gui.js

@@ -74,7 +74,7 @@ isRetinaSupported, SliderMorph, Animation*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.gui = '2017-August-04';
+modules.gui = '2017-August-29';
 
 // Declarations
 
@@ -7237,7 +7237,7 @@ CostumeIconMorph.prototype.exportCostume = function () {
         // don't show SVG costumes in a new tab (shows text)
         ide.saveFileAs(this.object.contents.src, 'text/svg', this.object.name);
     } else { // rasterized Costume
-        ide.saveCanvasAs(this.object.contents, this.object.name, true);
+        ide.saveCanvasAs(this.object.contents, this.object.name, false);
     }
 };
 

history.txt

@@ -3591,6 +3591,7 @@ Fixes:
 170829
 ------
 * Threads: allow two-item lists as x-y coordinate arguments for “distance to” reporter
+* GUI, Objects: enable exporting costumes and variable-data in the newest Chrome version, which disables opening tabs on dataURLs
 
 
 Features:

objects.js

@@ -82,7 +82,7 @@ SpeechBubbleMorph, RingMorph, isNil, FileReader, TableDialogMorph,
 BlockEditorMorph, BlockDialogMorph, PrototypeHatBlockMorph, localize,
 TableMorph, TableFrameMorph, normalizeCanvas, BooleanSlotMorph, HandleMorph*/
 
-modules.objects = '2017-July-31';
+modules.objects = '2017-August-29';
 
 var SpriteMorph;
 var StageMorph;
@@ -9316,7 +9316,7 @@ WatcherMorph.prototype.userMenu = function () {
                         myself.currentValue.toString(),
                         'text/plain;charset=utf-8',
                         myself.getter, // variable name
-                        true
+                        false
                     );
                 }
             );