Update readme and changelog for 0.99.rc1 release

Author: Kevin Paulisse

README.md

@@ -8,7 +8,9 @@ At GitHub, we manage thousands of nodes with a Puppet code base containing 500,0
 
 `octocatalog-diff` is written in Ruby and is distributed as a gem. It runs on Mac OS and Unix/Linux platforms.
 
-We consider the 1.x release of `octocatalog-diff` to be stable and production-quality. We continue to maintain and enhance `octocatalog-diff` to meet our own internal needs and to incorporate suggestions from the community. Please consult the [change log](/doc/CHANGELOG.md) for details.
+**The current version of `octocatalog-diff` in the master branch is 0.99.rc1, a release candidate for version 1.0.**
+
+We consider the 1.x release of `octocatalog-diff` to be stable and production-quality. We continue to maintain and enhance `octocatalog-diff` to meet GitHub's internal needs and to incorporate suggestions from the community. Please consult the [change log](/doc/CHANGELOG.md) for details.
 
 ## How?
 
@@ -51,14 +53,14 @@ The example above reflects the changes in the Puppet catalog from switching an u
 - [Requirements](/doc/requirements.md)
 - [Limitations](/doc/limitations.md)
 - [List of all command line options](/doc/optionsref.md)
-- [API](/doc/dev/api.md)
 
 ### Project
 
 - [Roadmap](/doc/roadmap.md)
 - [Similar tools](/doc/similar.md)
 - [Contributing](/.github/CONTRIBUTING.md)
 - [Developer documentation](/doc/dev)
+- [API documentation](/doc/dev/api.md)
 
 ## What's in a name?
 
@@ -80,4 +82,4 @@ It requires 3rd party ruby gems found [here](/vendor/cache). It also includes po
 
 ## Authors
 
-`octocatalog-diff` was designed and authored by [Kevin Paulisse](https://github.com/kpaulisse) and is now maintained, reviewed, and tested by the Site Reliability Engineering team at GitHub.
+`octocatalog-diff` was designed and authored by [Kevin Paulisse](https://github.com/kpaulisse) and is now maintained, reviewed, and tested by the Kevin and the rest of the Site Reliability Engineering team at GitHub.

doc/CHANGELOG.md

@@ -9,9 +9,11 @@
 </thead><tbody>
 <tr valign=top>
 <td>0.99.0rc1</td>
-<td>2017-xx-xx</td>
+<td>2017-01-16</td>
 <td>
-This is a release candidate for `octocatalog-diff` version 1.0. Please use caution before using this in a production environment. Report any problems to us as <a href="https://github.com/github/octocatalog-diff/issues/new">in a new issue</a>.
+This is a release candidate for `octocatalog-diff` version 1.0. Please report any problems to us as <a href="https://github.com/github/octocatalog-diff/issues/new">in a new issue</a>.
+
+The previous release (0.6.1) is available at: https://github.com/github/octocatalog-diff/tree/0.6.1
 
 <h4>New Features</h4>
 
@@ -20,7 +22,6 @@ The most significant change in version 1.0 is the addition of the <a href="./dev
 <h4>Breaking Changes</h4>
 
 The format of the output from <code>--output-format json</code> has changed. In version 0.x of the software, each difference was represented by an array. In version 1.x, each difference is represented by a hash with meaningful English keys. We have added an option <code>--output-format legacy_json</code> if anyone depends upon the output in the old format.
-
 </td>
 </tr>
 <tr valign=top>