Bach Christmas Oratorio - Brich an du schoenes Morgenlicht
Merge branch 'bwv248' of https://github.com/joram-berger/The-Mutopia-Project
Change clef modifiers to bold
Add midi output
Replace custom tagline by candidate for official one

The custom tagline was removed and replaced by the Simplicity v2 tagline
candidate from issue #131 for a new official taglin.
This can be changed at any time to match official standards.
Fix year
Make the staff size a bit smaller to fit on letter paper as well
Move to subdirectory
Merge branch 'bwv248' of https://github.com/joram-berger/The-Mutopia-Project
Add footer
Add new projects