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

commit: https://github.com/kijiproject/kiji-modeling/commit/8e263610d3cf3f9d40de65c1b48a251df21aaae8
kiji-modeling: [maven-release-plugin] prepare release kiji-modeling-root-0.4.0

commit: https://github.com/kijiproject/kiji-modeling/commit/5656036caacb149791cad7fbd83b70f7034e13cc