* Rename package and repository name from docs and scripts
* undo root package rename
* add @openzeppelin/contracts as subpackage with release automation
* synchronize @openzeppelin/contracts version
* remove private field from package.json
* make file patterns absolute
* change wording of a comment
* use a saner version script
* Add an initial document for our release process
* add more detail and explanation to releasing guide
* fix details of the RELEASING.md document
* Update RELEASING.md
* Update RELEASING.md
* Update RELEASING.md
* Update RELEASING.md