Merge pull request #23 from openlilylib/smufl

Smufl

(previous pull request was against a different branch from master)
smufl README: where to place the font file if running lily from source
predefined-instruments: update README
fixed incomplete sentence, added \fooOff to README
Fixed vertical alignment weirdness with staccati
Upgrade to SMuFL/Bravura 0.8
Upgrade to SMuFL/Bravura 0.8
Update README to 0.8, fixed shrunken dynamics
minor readme fix
signum congruentiae
Added \smufllig