minor #10091 Image to console (javiereguiluz)

This PR was squashed before being merged into the 2.8 branch (closes #10091).

Discussion
----------

Image to console

Some of our images are screenshots of the console output ... let's turn them into real console outputs (except when formatting and colors are important ... e.g. in some advanced console screenshots).

Commits
-------

881bd15 Image to console

Author: javiereguiluz

_images/components/console/table.png

@@ -16,7 +16,16 @@ Table Helper
 
 When building a console application it may be useful to display tabular data:
 
-.. image:: /_images/components/console/table.png
+.. code-block:: terminal
+
+    +---------------+--------------------------+------------------+
+    | ISBN          | Title                    | Author           |
+    +---------------+--------------------------+------------------+
+    | 99921-58-10-7 | Divine Comedy            | Dante Alighieri  |
+    | 9971-5-0210-0 | A Tale of Two Cities     | Charles Dickens  |
+    | 960-425-059-0 | The Lord of the Rings    | J. R. R. Tolkien |
+    | 80-902734-1-6 | And Then There Were None | Agatha Christie  |
+    +---------------+--------------------------+------------------+
 
 To display a table, use the :class:`Symfony\\Component\\Console\\Helper\\TableHelper`,
 set headers, rows and render::

_images/components/phpunit_bridge/report.png

@@ -62,7 +62,23 @@ to provide more features:
 
 After running your PHPUnit tests, you will get a report similar to this one:
 
-.. image:: /_images/components/phpunit_bridge/report.png
+.. code-block:: terminal
+
+    $ phpunit -c app
+      PHPUnit by Sebastian Bergmann.
+
+      Configuration read from <your-project>/app/phpunit.xml.dist
+      .................
+
+      Time: 1.77 seconds, Memory: 5.75Mb
+
+      OK (17 tests, 21 assertions)
+
+      Remaining deprecation notices (2)
+
+      getEntityManager is deprecated since Symfony 2.1. Use getManager instead: 2x
+        1x in DefaultControllerTest::testPublicUrls from AppBundle\Tests\Controller
+        1x in BlogControllerTest::testIndex from AppBundle\Tests\Controller
 
 The summary includes:
 

_images/translation/debug_1.png

@@ -113,10 +113,16 @@ To inspect all messages in the ``fr`` locale for the AcmeDemoBundle, run:
 
     $ php app/console debug:translation fr AcmeDemoBundle
 
-You will get this output:
+    +----------+-------------------+----------------------+-------------------------------+
+    | State(s) | Id                | Message Preview (fr) | Fallback Message Preview (en) |
+    +----------+-------------------+----------------------+-------------------------------+
+    | o        | Symfony2 is great | J'aime Symfony2      | Symfony2 is great             |
+    +----------+-------------------+----------------------+-------------------------------+
 
-.. image:: /_images/translation/debug_1.png
-    :align: center
+    Legend:
+      x  Missing message
+      o  Unused message
+      =  Same as the fallback message
 
 It shows you a table with the result when translating the message in the ``fr``
 locale and the result when the fallback locale ``en`` would be used. On top
@@ -128,17 +134,41 @@ because it is translated, but you haven't used it anywhere yet.
 Now, if you translate the message in one of your templates, you will get this
 output:
 
-.. image:: /_images/translation/debug_2.png
-    :align: center
+.. code-block:: terminal
+
+    $ php app/console debug:translation fr AcmeDemoBundle
+
+    +----------+-------------------+----------------------+-------------------------------+
+    | State(s) | Id                | Message Preview (fr) | Fallback Message Preview (en) |
+    +----------+-------------------+----------------------+-------------------------------+
+    |          | Symfony2 is great | J'aime Symfony2      | Symfony2 is great             |
+    +----------+-------------------+----------------------+-------------------------------+
+
+    Legend:
+      x  Missing message
+      o  Unused message
+      =  Same as the fallback message
 
 The state is empty which means the message is translated in the ``fr`` locale
 and used in one or more templates.
 
 If you delete the message ``Symfony is great`` from your translation file
 for the ``fr`` locale and run the command, you will get:
 
-.. image:: /_images/translation/debug_3.png
-    :align: center
+.. code-block:: terminal
+
+    $ php app/console debug:translation fr AcmeDemoBundle
+
+    +----------+-------------------+----------------------+-------------------------------+
+    | State(s) | Id                | Message Preview (fr) | Fallback Message Preview (en) |
+    +----------+-------------------+----------------------+-------------------------------+
+    | x =      | Symfony2 is great | J'aime Symfony2      | Symfony2 is great             |
+    +----------+-------------------+----------------------+-------------------------------+
+
+    Legend:
+      x  Missing message
+      o  Unused message
+      =  Same as the fallback message
 
 The state indicates the message is missing because it is not translated in
 the ``fr`` locale but it is still used in the template. Moreover, the message
@@ -149,8 +179,20 @@ the ``en`` locale.
 If you copy the content of the translation file in the ``en`` locale, to the
 translation file in the ``fr`` locale and run the command, you will get:
 
-.. image:: /_images/translation/debug_4.png
-    :align: center
+.. code-block:: terminal
+
+    $ php app/console debug:translation fr AcmeDemoBundle
+
+    +----------+-------------------+----------------------+-------------------------------+
+    | State(s) | Id                | Message Preview (fr) | Fallback Message Preview (en) |
+    +----------+-------------------+----------------------+-------------------------------+
+    | =        | Symfony2 is great | J'aime Symfony2      | Symfony2 is great             |
+    +----------+-------------------+----------------------+-------------------------------+
+
+    Legend:
+      x  Missing message
+      o  Unused message
+      =  Same as the fallback message
 
 You can see that the translations of the message are identical in the ``fr``
 and ``en`` locales which means this message was probably copied from French