Search again for each track to get a better year

Once we have a track's json metadata, we do a search request with its
track name and artist name, and then attach the date of the earliest
result to the json metadata.
Remove " - Remastered" from track names when searching
Include year from search in csv output
Update data
Merge pull request #2 from exonian/feature/get-better-dates

Feature/get better dates