kiji-express-music: [maven-release-plugin] prepare for next development iteration

commit: https://github.com/kijiproject/kiji-express-music/commit/d4c91ce1c32689ecab5e334dd25b6ed6353f8225
kiji-express-music: [maven-release-plugin] prepare release kiji-express-music-1.0.1

commit: https://github.com/kijiproject/kiji-express-music/commit/e77833f287f8786c18e00e3f2e37820a1e2b971a