changed names of pp files to sc
Merge branch 'master' of github.com:st-cecilia-press/include into HEAD
Merge branch 'master' of github.com:st-cecilia-press/include into HEAD

Conflicts:
	sc_layout.ly
should have merged things?
Merge branch 'master' of github.com:st-cecilia-press/include into HEAD
Merge branch 'master' of github.com:st-cecilia-press/include into HEAD
Merge branch 'master' of github.com:st-cecilia-press/include into HEAD