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

commit: https://github.com/kijiproject/kiji-framework/commit/1e1c5e17f0d706e37d400d070159b704fff8d96b
kiji-framework: [maven-release-plugin] prepare release kiji-framework-2.0.3

commit: https://github.com/kijiproject/kiji-framework/commit/3993df8749ce1c1d9c3c8284d24818afa88d2858