* lily/stencil-scheme.cc:

* lily/stencil-scheme.cc:
* lily/staff-symbol-referencer.cc:
* lily/script-column.cc:
* lily/pitch.cc:
* lily/music.cc:
* lily/grob-pq-engraver.cc:
* lily/font-interface.cc:
* lily/music-output-def.cc:
* lily/duration.cc:
* lily/grob-scheme.cc:
* lily/context-scheme.cc: Put scheme name on first line in
LY_DEFINE to help etags (multiline regexps are broken).  Stray
style cleanups.

* stepmake/stepmake/scm-vars.make:
* stepmake/stepmake/c++-vars.make (TAGS_HEADERS, TAGS_SOURCES):
Rename and split TAGS_FILES.

* GNUmakefile.in (ALL-TAGS): Remove.

* stepmake/stepmake/generic-targets.make (TAGS): Also include
deeper TAGS files.  Fixes regexp tags in TOP dir.