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

commit: https://github.com/kijiproject/kiji-framework/commit/846faabc3aaaf2ef5ec80f43e7b1be7c6e908606
kiji-framework: [maven-release-plugin] prepare release kiji-framework-1.4.3

commit: https://github.com/kijiproject/kiji-framework/commit/249761826c925d9fc4c53d031b56a96cd8d5a9e2