Fixed java source encodig

--HG--
extra : rebase_source : bd8dede33fee11bc70a7b8a1dc0a932a075db295
Now drum channel is treated separately

--HG--
extra : rebase_source : 133027ff0dffd5cfd69546eacdb8df6604b3e7c5
Fix note docs

--HG--
extra : rebase_source : 642592784a1f4d32c9f67383e9c1c28ba9639c67
Added b as an alternative for bemolle

--HG--
extra : rebase_source : ce6fc3fb5158e7b088b6feb1ef96e9a8cbd8608c
Fixing reference to old Altezza wrt Nome

--HG--
extra : rebase_source : be1d1c61608f15c056f649fcf5d54c4e6bb93cc3
Added frequency

--HG--
extra : rebase_source : fd514c8ddf25ecfb8714bf53d78b9a7a3c5c7979