kiji-express-music: [maven-release-plugin] prepare release kiji-express-music-2.0.2

commit: https://github.com/kijiproject/kiji-express-music/commit/7192549d09c1cd35e45d46fff0683ecbe50e6164
kiji-express-music: [maven-release-plugin] prepare for next development iteration

commit: https://github.com/kijiproject/kiji-express-music/commit/2a25333daac6cfb52660a921cfa419998634d3a1