title: Word wrap for NSMutableAttributedString
body: <p>I have NSMutableAttributedString and the string is pretty long. I would like to do word wrap while displaying it on the UIlabel. If it was NSString, i will go ahead and do something like this, 
  <a href="https://stackoverflow.com/questions/11558956/dynamic-uilabel-truncating-the-text">Dynamic UILabel truncating the text</a>
       But how can i do it with NSAttributedString ?
  And once it is done, i need to resize the view depending on the label size.</p>