Fix for paused state after iOS leaves fullscreen

In tests we discovered iOS9 may put the video into paused when clicking
done on the video. Now we can accommodate for this.

JW7-1492

src/js/providers/html5.js

@@ -579,6 +579,11 @@ define([
             _sendFullscreen(e);
             if (utils.isIOS()) {
                 _videotag.controls = false;
+                // iOS may pause the video after exiting fullscreen
+                //  when using the "Done" button
+                if (_videotag.paused) {
+                    _this.setState(states.PAUSED);
+                }
             }
         }