Some UI Changes and Speed Up

- Using GSON as JSON parse
- Changing some color backgrounds for activities and its action bar
background color
- Deleting “simplified_list_item.xml” for unused
- Changing DB version:
· New structure for table “canciones”
- When loading changes, update list before and after add the list to DB
- Renamed JSONParser to Utils
- Playlist now maintains all songs before stop the player
- Animation for Player UI on the album art & background
- Custom animation for start and end SingleMenuItemActivity (only works
when opening)