v2.48.rc7

• FEC-6058 - Regression:MPEG_Dash Clear\DRM :MultiAudioTracks: There is no ability to switch audio tracks (Only one audio track displayed on IE11)
• FEC-6027 - MPEG_Dash: Playlist: Second video stuck after whole playlist and first video (one more time) finished to play(IE11 only)
• Call interface load method and not video element