Update namespace

Author: sagikazarmark

docs/components/authentication.md

@@ -28,10 +28,10 @@ $authentication->authenticate($request);
 ### Basic Auth
 
 This authentication method accepts two parameters: username and password. Getters/Setters are provided by
-`Http\Authentication\UserPasswordPair` trait.
+`Http\Message\Authentication\UserPasswordPair` trait.
 
 ``` php
-use Http\Authentication\BasicAuth;
+use Http\Message\Authentication\BasicAuth;
 
 $authentication = new BasicAuth('username', 'password');
 
@@ -47,7 +47,7 @@ $authentication->setPassword('password');
 This authentication method accepts one parameter: a token.
 
 ``` php
-use Http\Authentication\Bearer;
+use Http\Message\Authentication\Bearer;
 
 $authentication = new Bearer('token');
 
@@ -68,7 +68,7 @@ to protect the API from unnecessary processing.
 
 
 ``` php
-use Http\Authentication\Chain;
+use Http\Message\Authentication\Chain;
 
 $authenticationChain = [
     new AuthenticationMethod1(),
@@ -102,7 +102,7 @@ For example a common use case is to authenticate requests sent to certain paths.
 
 
 ``` php
-use Http\Authentication\Mathing;
+use Http\Message\Authentication\Mathing;
 
 $authentication = new Mathing(new AuthenticationMethod1(), function () { return true; });
 
@@ -117,19 +117,20 @@ The first argument is an authentication method, the second is a regexp to match
 
 
 ``` php
-use Http\Authentication\Mathing;
+use Http\Message\Authentication\Mathing;
 
 $authentication = Matching::createUrlMatcher(new AuthenticationMethod(), '\/api');
 ```
 
+
 ### WSSE
 
 This method implements [WSSE Authentication](http://www.xml.com/pub/a/2003/12/17/dive.html).
 Just like Basic Auth, it also accepts a username-password pair and exposes the same methods as well.
 
 
 ``` php
-use Http\Authentication\Wsse;
+use Http\Message\Authentication\Wsse;
 
 $authentication = new Wsse('username', 'password');
 ```
@@ -140,7 +141,7 @@ $authentication = new Wsse('username', 'password');
 Implementing an authentication method is easy: only one method needs to be implemented.
 
 ``` php
-use Http\Authentication\Authentication;
+use Http\Message\Authentication\Authentication;
 use Psr\Http\Message\RequestInterface;
 
 class MyAuth implements Authentication