kiji-hive-adapter: [maven-release-plugin] prepare release kiji-hive-root-0.8.0

commit: https://github.com/kijiproject/kiji-hive-adapter/commit/d6c9bab52eb98e3787bd548f424da65841044ecf
kiji-hive-adapter: [maven-release-plugin] prepare for next development iteration

commit: https://github.com/kijiproject/kiji-hive-adapter/commit/d1f3fa4432cf5f93152ebfd2916bf4c5ada5c47a