- get number of times played within the songAdapter so the colour of the list entry can be modified accordingly
- In default SongItem constructor attempt to extractSongExtras as well
- Within extracting song extras also grab the _datesPlayed information
- Modify the song queries to do an outer join on the songextras so that we already have _numberOfTimesPlayed, _notes, etc, on the songItems returned by the cursors

Change-Id: I66909667e2018b164038ed2e8621a63a71d23252