changed shortcuts to be better friends with OSX, closes #2398

tools/editor/editor_node.cpp

@@ -5187,7 +5187,7 @@ EditorNode::EditorNode() {
 	p->add_separator();
 	p->add_item("Revert Scene",EDIT_REVERT);
 	p->add_separator();
-	p->add_item("Quit to Project List",RUN_PROJECT_MANAGER,KEY_MASK_SHIFT+KEY_MASK_CMD+KEY_Q);
+	p->add_item("Quit to Project List",RUN_PROJECT_MANAGER,KEY_MASK_SHIFT+KEY_MASK_ALT+KEY_Q);
 	p->add_item("Quit",FILE_QUIT,KEY_MASK_CMD+KEY_Q);
 
 	recent_scenes = memnew( PopupMenu );