docs: Move versioning off front page README and into distribution

Author: dopey

README.md

@@ -20,7 +20,6 @@ announcing step.
 - [Examples](#examples)
 - [Getting Started with Development](#getting-started-with-development)
 - [How To Add A New Command](./command/README.md)
-- [Versioning](#versioning)
 - [How To Create A New Release](./distribution.md)
 - [LICENSE](./LICENSE)
 - [CHANGELOG](./CHANGELOG.md)
@@ -277,11 +276,6 @@ To remove a dependency, simply remove it from the codebase and any mention of
 it in the `Gopkg.toml` file and run `dep ensure` which will remove it from the
 `vendor` folder while updating the `Gopkg.lock` file.
 
-## Versioning
-
-We use [SemVer](http://semver.org/) for versioning. For the versions available,
-see the [tags on this repository](https://github.com/smallstep/cli).
-
 ## License
 
 This project is licensed under the Apache 2.0 License - see the

distribution.md

@@ -35,7 +35,7 @@ e.g. `v1.0.2`
         ```
 
         The new tag needs to be the logical successor of the most recent existing tag.
-        See [versioning](./README.md#versioning) section for more information on version numbers.
+        See [versioning](#versioning) section for more information on version numbers.
 
     2. **Select the next tag (but don't actually tag anything yet!!).**
 
@@ -96,3 +96,8 @@ e.g. `v1.0.2`
     **NOTE**: this only needs to be done for standard releases.
 
 *All Done!*
+
+## Versioning
+
+We use [SemVer](http://semver.org/) for versioning. For the versions available,
+see the [tags on this repository](https://github.com/smallstep/cli).