v2.41.rc15

• FEC-5008 - Regression: comScore: Extra playback event fired for playback of dfp pre-roll
• FEC-5007 - Regression: Player api: “ad start: preroll” is fired for overlay
• FEC-4945 - regression google analytics: midSequenceStart is fired without midSequenceComplete
• FEC-5003 - V18 - Change media does not work
• FEC-5004 - V18 - Taping on screen, makes the screen blue for a fraction of second
• FEC-5010 - V18 - Taping on screen several times cause the player controls to disappear
• Youbora enhancements