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

commit: https://github.com/kijiproject/kiji-schema/commit/886c7d5ace6adc1e20713ac1830e720cc774fb3b
kiji-schema: [maven-release-plugin] prepare release kiji-schema-root-1.3.3

commit: https://github.com/kijiproject/kiji-schema/commit/84edef801c77dd27750837738c5102746a8a8868