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

commit: https://github.com/kijiproject/kiji-bento/commit/3bd602c89bf02d77104c2380e213322c0133c327
kiji-bento: [maven-release-plugin] prepare release kiji-bento-root-2.0.2

commit: https://github.com/kijiproject/kiji-bento/commit/8bf199e8864dbcf7a9819d87a8250282843994ab