title: I need to implement the expandable tableView cell in ios 8
body: <p>In my project I need to implement the UITableview with some of the tableView cells are expandable and some of them are independent. If it is expandable cell need to indicate the '+' symbol.enter image description here. Can any one please help me out<img src="https://i.stack.imgur.com/C1QhW.png" alt="enter image description here"></p>