v0.2.1
Renamed scm4j-wf -> scm4j-releaser
Fixed working with patches. Now if exact product version is provided then patch versions will be used for it and all mdeps, not new releases.
fixed typo in vcs-repos file structure: releaseBanchPrefix -> releaseBranchPrefix
minor fixes, refactorings
Coords and Version classes are moved to scm4j-commons