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

commit: https://github.com/kijiproject/kiji-hive-adapter/commit/da55876983d68f4da39ebf509e0c7812c8aec15d
kiji-hive-adapter: [maven-release-plugin] prepare release kiji-hive-root-0.8.1

commit: https://github.com/kijiproject/kiji-hive-adapter/commit/9d365d5cc71af231e8aed7863ba4e71f22301bf5