make "keep account team" and "use bulk API" mutually exclusive

"keep account team" feature is not supported in Bulk API. So, make "keep account team" checkbox and "use bulk API" checkbox mutually exclusive.

src/main/java/com/salesforce/dataloader/ui/AdvancedSettingsDialog.java

@@ -525,6 +525,7 @@ public void widgetSelected(SelectionEvent e) {
                 super.widgetSelected(e);
                 boolean enabled = buttonKeepAccountTeam.getSelection();
                 // make sure the appropriate check boxes are enabled or disabled
+                buttonUseBulkApi.setSelection(!enabled);
                 setBulkSettings(!enabled);
             }
         });
@@ -551,8 +552,10 @@ public void widgetSelected(SelectionEvent e) {
                 textBatch.setText(String.valueOf(newDefaultBatchSize));
                 // make sure the appropriate check boxes are enabled or disabled
                 setBulkSettings(enabled);
+                buttonKeepAccountTeam.setSelection(!enabled);
             }
         });
+        buttonKeepAccountTeam.setSelection(!buttonUseBulkApi.getSelection());
 
         // Bulk API serial concurrency mode setting
         Label labelBulkApiSerialMode = new Label(restComp, SWT.RIGHT | SWT.WRAP);