initial convert-ly run and minor updates
compiles but octaves still not 100% correct  (old-relative issues)
final fixes for new version compatibility

- flute 2 has 141 bars, while all other parts have 132 bars - issue existed also in old version
removed old grace note directives
fix for flute2 issue ( too many bars )

removed flutes*.ly as these were duplicates of the individual parts
cleanup KV130

- removed old files
- removed flutes*.ly as they were duplicates
tuplet fixes
fix remaining warnings and issues

- noteworthy simplification of trillSpan grace notes
fixed footer definition
Merge branch 'fix-kv130' of https://github.com/dc7kr/The-Mutopia-Project
Various header and \version tweaks