message: checkedValue to booleanValue
diff: @@ -49,10 +49,6 @@ export class QuestionBooleanModel extends Question {
  }
  this.setBooleanValue(val);
  }
  - /**
  - * Obsolete, please use booleanValue property
  - * @see booleanValue
  - */
  public get checkedValue(): any { return this.booleanValue; }
  public set checkedValue(val: any) { this.booleanValue = val; }
  private setBooleanValue(val: any) {
  