Updated README to provide better flow.

* Added link to blog post that helped motivate the tool.
Commits and tags are now pushed at once.

* This is to help out jenkins, who may be running automated tests on
  this repo soon.
* This script is shared with another repo.
Added are you using section to readme.
Released 0.0.6.
CHanged back to old version of release.

* --follow-tags doesn't seem to work with my version of git.