Adding graphical assets

Change-Id: I512d0fd0f87efd328ac183fb676801e96fa40823
Adding importation from opml

Change-Id: Ic7c8d1211b0fd71c795c9427cc8509c1e2d83b23
fixing playback seek bug

Change-Id: I996b0feacff74ce95e29e35849ec0bc53cefa22b
Bug fixes

Change-Id: Ic92c45dbf366c801a6e3e83afbcba4635d7f5337
Removing application class to avoid memory leaks

Change-Id: I9e8997d12ea84a2c155e30aceb22e3374fd792ca