minor KnpLabs#988 Fix incorrect public key documentation (acrobat)

This PR was merged into the 2.x branch.

Discussion
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Fixes KnpLabs#789 

Commits
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2cc80c5 Fix incorrect public key documentation

Author: acrobat

doc/currentuser/publickeys.md

@@ -6,23 +6,23 @@ Wraps [GitHub User Public Keys API](https://developer.github.com/v3/users/keys/#
 ### List your public keys
 
 ```php
-$keys = $client->user()->keys()->all();
+$keys = $client->me()->keys()->all();
 ```
 
 Returns a list of public keys for the authenticated user.
 
 ### Shows a public key for the authenticated user.
 
 ```php
-$key = $client->user()->keys()->show(1234);
+$key = $client->me()->keys()->show(1234);
 ```
 
 ### Add a public key to the authenticated user.
 
 > Requires [authentication](../security.md).
 
 ```php
-$key = $client->user()->keys()->create(array('title' => 'key title', 'key' => 12345));
+$key = $client->me()->keys()->create(array('title' => 'key title', 'key' => 12345));
 ```
 
 Adds a key with title 'key title' to the authenticated user and returns a the created key for the user.
@@ -32,5 +32,5 @@ Adds a key with title 'key title' to the authenticated user and returns a the cr
 > Requires [authentication](../security.md).
 
 ```php
-$client->user()->keys()->remove(12345);
+$client->me()->keys()->remove(12345);
 ```