Add better quality infographic images.

Images come from the Droid skin for XBMC.
Played with proguard settings

Proguard is still removing too much from the file, so need to look at
the output and see if we can determine why it is removing more than it
should.
Issue #131: Fix issue with subtitles not displaying

If automatic subtitle language selection was not set in the preferences
even if a subtitle was choosen it was not being sent to the players.
This was happening for both the internal and external players.