Release Nageru 1.6.0.

[nageru] / bmusb

diff --git a/bmusb b/bmusb
index b18056fe32dd46134d7f12165bfa083378f2d9bb..32043c95d3b9f8cb97d6d28b9996fa1bec2ce11b 160000 (submodule)
--- a/bmusb
+++ b/bmusb
@@ -1 +1 @@
-Subproject commit b18056fe32dd46134d7f12165bfa083378f2d9bb
+Subproject commit 32043c95d3b9f8cb97d6d28b9996fa1bec2ce11b