Fix parsing the header and footer strings.
Fix crash when drawing some ties.
Start to sort out the scaling issues: make the scale different for print and screen versions; set the defaults for all the vertical spacing; fix bug in setting font size.
Do a little bit of vertical alignment.
Merge the animation function from master.
Fix some font bugs.
Add default fonts for the changeable font types.
Fix spacing issues for the header and the top of the music in general.
Start the music line a little farther to the left.