Removed references to rc/release candidate

In preparation for stable release!

Author: weierophinney

README.md

@@ -2,7 +2,7 @@
 
 [![Build Status](https://secure.travis-ci.org/zendframework/zend-expressive.svg?branch=master)](https://secure.travis-ci.org/zendframework/zend-expressive)
 
-*Begin developing PSR-7 middleware applications in minutes!*
+*Develop PSR-7 middleware applications in minutes!*
 
 zend-expressive builds on [zend-stratigility](https://github.com/zendframework/zend-stratigility)
 to provide a minimalist PSR-7 middleware framework for PHP, with the following
@@ -36,7 +36,7 @@ also provides configuration for officially supported dependencies.
 To use the skeleton, use Composer's `create-project` command:
 
 ```bash
-$ composer create-project -s rc zendframework/zend-expressive-skeleton <project dir>
+$ composer create-project zendframework/zend-expressive-skeleton <project dir>
 ```
 
 This will prompt you through choosing your dependencies, and then create and

doc/book/getting-started/skeleton.md

@@ -11,15 +11,9 @@ renderer, and error handler from the outset.
 First, we'll create a new project, using Composer's `create-project` command:
 
 ```bash
-$ composer create-project -s rc zendframework/zend-expressive-skeleton expressive
+$ composer create-project zendframework/zend-expressive-skeleton expressive
 ```
 
-> ### Stability
->
-> The Expressive installer is currently in release candidate status. For Composer
-> to recognize the version as installable, you must pass the `-s rc` flag,
-> indicating it should use packages of RC stability.
-
 This will prompt you to choose:
 
 - A router. We recommend using the default, FastRoute.

doc/book/index.html

@@ -4,7 +4,7 @@ <h1>Expressive</h1>
 
     <p>PSR-7 Middleware in Minutes</p>
 
-    <pre><code class="language-bash">$ composer create-project -s rc zendframework/zend-expressive-skeleton expressive</code></pre>
+    <pre><code class="language-bash">$ composer create-project zendframework/zend-expressive-skeleton expressive</code></pre>
   </div>
 </div>
 
@@ -99,7 +99,7 @@ <h2>Get Started Now!</h2>
     <p>Installation is only a <a href="https://getcomposer.org">Composer</a> command away!</p>
 
     <pre><code class="language-bash" data-trim>
-$ composer create-project -s rc zendframework/zend-expressive-skeleton expressive
+$ composer create-project zendframework/zend-expressive-skeleton expressive
     </code></pre>
 
     <h3>Choose what you want</h3>