minor #5641 Move important information out of versionadded (WouterJ)

This PR was merged into the 2.7 branch.

Discussion
----------

Move important information out of versionadded

Unfortunately, 2.6 is closed so this has to be merged into the 2.7 branch.

| Q | A
| --- | ---
| Doc fix? | yes
| New docs? | no
| Applies to | 2.6+
| Fixed tickets | -

Commits
-------

a4f5b08 Move important information out of versionadded

Author: wouterj

components/console/helpers/progressbar.rst

@@ -48,14 +48,18 @@ you can also set the current progress by calling the
     Prior to version 2.6, the progress bar only works if your platform
     supports ANSI codes; on other platforms, no output is generated.
 
-.. versionadded:: 2.6
+.. tip::
+
     If your platform doesn't support ANSI codes, updates to the progress
     bar are added as new lines. To prevent the output from being flooded,
     adjust the
     :method:`Symfony\\Component\\Console\\Helper\\ProgressBar::setRedrawFrequency`
     accordingly. By default, when using a ``max``, the redraw frequency
     is set to *10%* of your ``max``.
 
+    .. versionadded:: 2.6
+        The ``setRedrawFrequency()`` method was introduced in Symfony 2.6.
+
 If you don't know the number of steps in advance, just omit the steps argument
 when creating the :class:`Symfony\\Component\\Console\\Helper\\ProgressBar`
 instance::

cookbook/controller/service.rst

@@ -122,9 +122,13 @@ the route ``_controller`` value:
     defined as a service. See the `FrameworkExtraBundle documentation`_ for
     details.
 
-.. versionadded:: 2.6
-    If your controller service implements the ``__invoke`` method, you can simply refer to the service id
-    (``app.hello_controller``).
+.. tip::
+
+    If your controller implements the ``__invoke()`` method, you can simply
+    refer to the service id (``app.hello_controller``).
+
+    .. versionadded:: 2.6
+        Support for ``__invoke()`` was introduced in Symfony 2.6.
 
 Alternatives to base Controller Methods
 ---------------------------------------

reference/twig_reference.rst

@@ -724,11 +724,12 @@ The available attributes are:
 * ``app.session``
 * ``app.environment``
 * ``app.debug``
-* ``app.security``
+* ``app.security`` (deprecated as of 2.6)
 
-.. versionadded:: 2.6
-     The ``app.security`` global is deprecated as of 2.6. The user is already available
-     as ``app.user`` and ``is_granted()`` is registered as function.
+.. caution::
+
+     The ``app.security`` global is deprecated as of 2.6. The user is already
+     available as ``app.user`` and ``is_granted()`` is registered as function.
 
 Symfony Standard Edition Extensions
 -----------------------------------