(TEPHRA-46) Use Twill 0.4.0-incubating release instead of snapshot
Merge pull request #30 from caskdata/feature/use-twill-release

(TEPHRA-46) Use Twill 0.4.0-incubating release instead of snapshot
[maven-release-plugin] prepare release v0.3.2
[maven-release-plugin] prepare for next development iteration