title: Opening multiple mdDialog boxes
body: <p>Is there a way to keep two mdDialog boxes open one on top of another or one coming from an event fired inside another in angular material design implemenation ? The current scenario which I am implementing is one mdDialog open on a click inside which another event is fired. but when the second mdDialog popus up , the first one automatically disappears. Is there an exisiting solution to this one ? i am using the first version of angular material</p>