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

commit: https://github.com/kijiproject/kiji-music/commit/7dd2b72e5205b90d61634183e40ee6aa0ee48d3d
kiji-music: [maven-release-plugin] prepare release kiji-music-1.1.3

commit: https://github.com/kijiproject/kiji-music/commit/e0d6f034e3e54d16dfee7b987d9ea6b5aa32261a