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

commit: https://github.com/kijiproject/kiji-phonebook/commit/eb3c1c932c96ffd5df9efcc61d772882532b4269
kiji-phonebook: [maven-release-plugin] prepare release kiji-phonebook-1.1.1

commit: https://github.com/kijiproject/kiji-phonebook/commit/db90818e44a5ca43f9102ed3bade02e05329b7af