Add instructions for everywhere versions need updates to RELEASING.md

- also, matches API version to current bookstore install version

RELEASING.md

@@ -14,7 +14,10 @@ version is used.
 
 ## Create the release
 
-- [ ] Update version number `bookstore/_version.py`
+- [ ] Update version numbers in 
+  - [ ] `bookstore/_version.py` (version_info)
+  - [ ] `docs/source/conf.py` (version and release)
+  - [ ] `docs/source/bookstore_api.yaml` (info.version)
 - [ ] Commit the updated version
 - [ ] Clean the repo of all non-tracked files: `git clean -xdfi`
 - [ ] Commit and tag the release
@@ -48,4 +51,4 @@ twine upload dist/*
 
 - [ ] If all went well:
   - Change `bookstore/_version.py` back to `.dev`
-  - Push directly to `master` and push `--tags` too.
+  - Push directly to `master` and push `--tags` too.

docs/source/bookstore_api.yaml

@@ -9,7 +9,7 @@ info:
   license:
     name: BSD 3-clause
     url: https://github.com/nteract/bookstore/blob/master/LICENSE 
-  version: 2.5.1
+  version: 2.5.1dev0
 externalDocs:
   description: Find out more about Bookstore
   url: https://bookstore.readthedocs.io/en/latest/