Added file to be deleted
deleted temp file
Fixed issue with music playing after exit

Music will now stop when you exit the program
Fixed title for imported track

Title now pulls from the file name and cuts .mid off the end
Continue button will gray on All Tracks selected

The continue button will become disabled and gray out when the whole
score is selected.
Also clarified it to be All Tracks.
Changed "Continue" to "View Tablature"

Changed the Continue button to be a little more clear as to what it does
Merge pull request #71 from dinder-mufflin/Shawn

Fixes issue #21