Merge branch '5.1' into 5.2

* 5.1:
  Update Form event diagrams to consistent styling

Author: javiereguiluz

_images/components/form/general_flow.png

@@ -32,17 +32,16 @@ register an event listener to the ``FormEvents::PRE_SUBMIT`` event as follows::
 The Form Workflow
 -----------------
 
-The Form Submission Workflow
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.. raw:: html
 
-.. image:: /_images/components/form/general_flow.png
-    :align: center
+    <object data="../_images/form/form_workflow.svg" type="image/svg+xml"></object>
 
 1) Pre-populating the Form (``FormEvents::PRE_SET_DATA`` and ``FormEvents::POST_SET_DATA``)
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-.. image:: /_images/components/form/set_data_flow.png
-    :align: center
+.. raw:: html
+
+    <object data="../_images/form/form_prepopulation_workflow.svg" type="image/svg+xml"></object>
 
 Two events are dispatched during pre-population of a form, when
 :method:`Form::setData() <Symfony\\Component\\Form\\Form::setData>`
@@ -118,8 +117,9 @@ View data        Normalized data transformed using a view transformer
 2) Submitting a Form (``FormEvents::PRE_SUBMIT``, ``FormEvents::SUBMIT`` and ``FormEvents::POST_SUBMIT``)
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-.. image:: /_images/components/form/submission_flow.png
-    :align: center
+.. raw:: html
+
+    <object data="../_images/form/form_submission_workflow.svg" type="image/svg+xml"></object>
 
 Three events are dispatched when
 :method:`Form::handleRequest() <Symfony\\Component\\Form\\Form::handleRequest>`