Merge branch '2.3' into 2.5

* 2.3:
  Updating the installer docs to exactly match that repository's README - see #4533
  Add command to make symfony.phar executable.
  fixed little typo

Author: weaverryan

quick_tour/the_big_picture.rst

@@ -33,6 +33,7 @@ On **Linux** and **Mac OS X** systems, execute the following console commands:
 
     $ curl -LsS http://symfony.com/installer > symfony.phar
     $ sudo mv symfony.phar /usr/local/bin/symfony
+    $ chmod a+x /usr/local/bin/symfony
 
 .. note::
 
@@ -43,6 +44,7 @@ On **Linux** and **Mac OS X** systems, execute the following console commands:
 
         $ php -r "readfile('http://symfony.com/installer');" > symfony.phar
         $ sudo mv symfony.phar /usr/local/bin/symfony
+        $ chmod a+x /usr/local/bin/symfony
 
 After installing the Symfony installer, you'll have to open a new console window
 to be able to execute the new ``symfony`` command:

reference/twig_reference.rst

@@ -413,7 +413,7 @@ transchoice
 
 .. code-block:: jinja
 
-    {{ message|transchoice(count, arguments, domai, locale) }}
+    {{ message|transchoice(count, arguments, domain, locale) }}
 
 ``message``
     **type**: ``string``