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

commit: https://github.com/kijiproject/kiji-rest/commit/63383ba1328881270d2230347d1d233f6ef1bb55
kiji-rest: [maven-release-plugin] prepare release kiji-rest-root-1.2.0

commit: https://github.com/kijiproject/kiji-rest/commit/64314892e384c8349ffec27775bacdcb0bf2dd43