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

commit: https://github.com/kijiproject/kiji-common-flags/commit/6a051760aef4dd20d519006f9fafb4067c1072de
kiji-common-flags: [maven-release-plugin] prepare release kiji-common-flags-1.1.0

commit: https://github.com/kijiproject/kiji-common-flags/commit/08c83a19e3591a892eb34e9e900a42ed7905ae12