kiji-poms: [maven-release-plugin] prepare release kiji-poms-1.2.0

commit: https://github.com/kijiproject/kiji-poms/commit/3aa2c848fe55c7e6288057eb3533bc3450e94ea0
kiji-poms: [maven-release-plugin] prepare for next development iteration

commit: https://github.com/kijiproject/kiji-poms/commit/de5ee98f2bb2217b155a034f539e30a6ba3738d5