comment out unused dependencies (oboi.ly, horns.ly)
build to pdf instead of ps
Updated to LilyPond 2.18.0
These files are deprecated because they contain copies of other files
for the purpose of building a part score of 2 instruments. They are no
longer needed since partcombine is now used for this purpose.
Merge branch 'mozart-kv315' of https://github.com/glenl/The-Mutopia-Project
Header tweaks