Revert "[maven-release-plugin] prepare release v0.9.2-incubating"

This reverts commit c2477c2c3fd602690ccdaf12c95c9dfa51ab121b.

Conflicts:
	examples/storm-starter/pom.xml
	external/storm-kafka/pom.xml
	pom.xml
	storm-buildtools/maven-shade-clojure-transformer/pom.xml
	storm-core/pom.xml
	storm-dist/binary/pom.xml
	storm-dist/source/pom.xml
add necessary license additions
update storm-kafka README to reflect scala dependency handling.
revert addition of closing tags
[maven-release-plugin] prepare release v0.9.2-incubating
[maven-release-plugin] prepare for next development iteration