(Valentin Villenave) Updated to LilyPond 2.18
WeckmannM/MWPPT: run convert-ly to update to 2.18 (issue 250)
WeckmannM/MWPPT: set voices explicitely and avoid collisions

There are few rests collision yet and a warning related to
manually beamed notes when changing staff.
Update GriegE/O46/03-anitrasdance to 2.18
Reuse common music using tags.

Also, use cautionary accidentals according to same source.
Remove part files that have been merged into a single source. Since
result is a single file, move the file and remove the -lys folder.
Update #297 PachelbelJ/fugue-3-7 to 2.18.
JoplinS/search: convert-ly to 2.18
JoplinS/search: order indentation and remove trailing white spaces
JoplinS/search: add source header and few changes.

I've adjusted some slurs and stem directions according to the
source available on IMSLP:
http://imslp.org/wiki/Searchlight_Rag_(Joplin,_Scott)
Merge branch 'villenave-tchaikovski-doumka' of https://github.com/glenl/The-Mutopia-Project
Header tweaks and remove old CVS references
Merge branch 'master' of https://github.com/pacovila/The-Mutopia-Project
Header tweaks to match previous metadata
Merge branch 'Pachelbel' of https://github.com/pacovila/The-Mutopia-Project
Tweak headers

It is believed that permission to update to the newest Creative Commons Attribution-ShareAlike license has been given. If thi
s is incorrect please contact legal@mutopiaproject.org
Merge branch 'issue/250' of https://github.com/fedelibre/The-Mutopia-Project
Update footer
Merge branch 'search-light-rag' of https://github.com/fedelibre/The-Mutopia-Project
Header tweaks to match previous metadata