This closes apache#776

[maven-release-plugin] copy for tag v0.2.0-incubating-RC2

[maven-release-plugin] copy for tag v0.2.0-incubating-RC1

Version 0.1.0-incubating

[maven-release-plugin] copy for tag v0.1.0-incubating-RC3

[maven-release-plugin] copy for tag v0.1.0-incubating-RC2

[maven-release-plugin] copy for tag v0.1.0-incubating-RC1