Versioning#198

Merged

asfgit merged 4 commits intoapache:masterfrom

ahgittin:versioning

Jun 30, 2017

Commits on Jun 20, 2017

Commits on Jun 23, 2017

PR comments on versioning and note on `0` implicit minor/patch
ahgittin
committed

Commits on Jun 28, 2017

address PR comments, and minor tidies
ahgittin
committed