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

commit: https://github.com/kijiproject/kiji-bento/commit/6bde21bc09c74664e9d9a08dba1ffc223fcc8c27
kiji-bento: [maven-release-plugin] prepare release kiji-bento-root-2.0.1

commit: https://github.com/kijiproject/kiji-bento/commit/04c8e019a25f15d8b03603a7fbcb31bcc07a30c9