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

commit: https://github.com/kijiproject/kiji-music/commit/598b126b280be1393a3a053154dc7df4bc9e8a54
kiji-music: [maven-release-plugin] prepare release kiji-music-1.1.2

commit: https://github.com/kijiproject/kiji-music/commit/02421e28cb3a004b2e9e997fd586fb2c0517d8bb