minor #4004 use GitHub instead of Github (xabbuh)

This PR was merged into the 2.3 branch.

Discussion
----------

use GitHub instead of Github

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | all
| Fixed tickets |

Commits
-------

60015e6 use GitHub instead of Github

contributing/code/git.rst

@@ -18,8 +18,8 @@ this pattern:
     merged branch USER_NAME/BRANCH_NAME (PR #1111)
 
 The PR reference allows you to have a look at the original pull request on
-Github: https://github.com/symfony/symfony/pull/1111. But all the information
-you can get on Github is also available from the repository itself.
+GitHub: https://github.com/symfony/symfony/pull/1111. But all the information
+you can get on GitHub is also available from the repository itself.
 
 The merge commit message contains the original message from the author of the
 changes. Often, this can help understand what the changes were about and the
@@ -34,7 +34,7 @@ your ``.git/config`` file:
 
     fetch = +refs/notes/*:refs/notes/*
 
-After a fetch, getting the Github discussion for a commit is then a matter of
+After a fetch, getting the GitHub discussion for a commit is then a matter of
 adding ``--show-notes=github-comments`` to the ``git show`` command:
 
 .. code-block:: bash

contributing/code/patches.rst

@@ -37,7 +37,7 @@ Set up your user information with your real name and a working email address:
     If your IDE creates configuration files inside the project's directory,
     you can use global ``.gitignore`` file (for all projects) or
     ``.git/info/exclude`` file (per project) to ignore them. See
-    `Github's documentation`_.
+    `GitHub's documentation`_.
 
 .. tip::
 
@@ -249,7 +249,7 @@ Check that all tests still pass and push your branch remotely:
 Make a Pull Request
 ~~~~~~~~~~~~~~~~~~~
 
-You can now make a pull request on the ``symfony/symfony`` Github repository.
+You can now make a pull request on the ``symfony/symfony`` GitHub repository.
 
 .. tip::
 
@@ -401,7 +401,7 @@ messages of all the commits. When you are finished, execute the push command.
 
 .. _ProGit:                                http://git-scm.com/book
 .. _GitHub:                                https://github.com/signup/free
-.. _`Github's Documentation`:              https://help.github.com/articles/ignoring-files
+.. _`GitHub's Documentation`:              https://help.github.com/articles/ignoring-files
 .. _Symfony2 repository:                   https://github.com/symfony/symfony
 .. _dev mailing-list:                      http://groups.google.com/group/symfony-devs
 .. _travis-ci.org:                         https://travis-ci.org/

cookbook/deployment/azure-website.rst

@@ -272,7 +272,7 @@ directory with at least the following contents:
     /composer.phar
     /web/app_dev.php
     /web/bundles/
-    /web/config.php 
+    /web/config.php
 
 The ``.gitignore`` file asks Git not to track any of the files and directories
 that match these patterns. This means these files won't be deployed to the Azure
@@ -457,7 +457,7 @@ rewriting any urls to the ``web/app.php`` front controller which allows you to
 skip the ``web/`` folder in the URL. The first rule called ``BlockAccessToPublic``
 matches all url patterns that contain the ``web/`` folder and serves a
 ``403 Forbidden`` HTTP response instead. This example is based on Benjamin
-Eberlei's sample you can find on Github in the `SymfonyAzureEdition`_ bundle.
+Eberlei's sample you can find on GitHub in the `SymfonyAzureEdition`_ bundle.
 
 Deploy this file under the ``site/wwwroot`` directory of the Azure Website and
 browse to your application without the ``web/app.php`` segment in the URL.

cookbook/workflow/new_project_git.rst

@@ -57,7 +57,7 @@ git repository:
 
       You may also want to create a ``.gitignore`` file that can be used system-wide.
       This allows you to exclude files/folders for all your projects that are created by
-      your IDE or operating system. For details, see `Github .gitignore`_.
+      your IDE or operating system. For details, see `GitHub .gitignore`_.
 
 #. Create an initial commit with your started project:
 
@@ -116,6 +116,6 @@ manage this is `Gitolite`_.
 .. _`GitHub`: https://github.com/
 .. _`barebones repository`: http://git-scm.com/book/en/Git-Basics-Getting-a-Git-Repository
 .. _`Gitolite`: https://github.com/sitaramc/gitolite
-.. _`Github .gitignore`: https://help.github.com/articles/ignoring-files
+.. _`GitHub .gitignore`: https://help.github.com/articles/ignoring-files
 .. _`Bitbucket`: https://bitbucket.org/
 .. _`comparison of hosting services`: http://en.wikipedia.org/wiki/Comparison_of_open-source_software_hosting_facilities