added models to represent the application
changed the application title
updated structure to include an area for services and moved music list into it
initial adapter and list bind
created a custom adapter
implemented custom onClick listener for the listView
changed the title of the fragments
added list for songs and stylized slightly
Added the event list to the work

I also added a call to service to get the ArtistName by Id
I also added placeholder image from stock android for addition buttons that will
be worked later.
added placeholder graphic
added artists
change some color and passed layout4 as initial startup screen