gros commit caca parse + image loader
Merge branch 'parse'

Conflicts:
	res/layout/concerts_list_item.xml
	src/com/example/livemood/adapters/ConcertsListAdapter.java
	src/com/example/livemood/fragments/AgendaFragment.java
	src/com/example/livemood/fragments/ConcertDetailsFragment.java
	src/com/example/livemood/models/Artist.java