minor symfony#20708 Grouping FrameworkBundle upgrade notes (yceruto)

This PR was squashed before being merged into the 3.2 branch (closes symfony#20708).

Discussion
----------

Grouping FrameworkBundle upgrade notes

| Q             | A
| ------------- | ---
| Branch?       | 3.2
| Bug fix?      | yes
| License       | MIT

Commits
-------

b8e7779 Grouping FrameworkBundle upgrade notes

Author: fabpot

UPGRADE-3.2.md

@@ -6,28 +6,6 @@ BrowserKit
 
  * Client HTTP user agent has been changed to 'Symfony BrowserKit' (was 'Symfony2 BrowserKit' before).
 
-FrameworkBundle
----------------
-
- * The `doctrine/annotations` dependency has been removed; require it via `composer
-   require doctrine/annotations` if you are using annotations in your project
- * The `symfony/security-core` and `symfony/security-csrf` dependencies have
-   been removed; require them via `composer require symfony/security-core
-   symfony/security-csrf` if you depend on them and don't already depend on
-   `symfony/symfony`
- * The `symfony/templating` dependency has been removed; require it via `composer
-   require symfony/templating` if you depend on it and don't already depend on
-   `symfony/symfony`
- * The `symfony/translation` dependency has been removed; require it via `composer
-   require symfony/translation` if you depend on it and don't already depend on
-   `symfony/symfony`
- * The `symfony/asset` dependency has been removed; require it via `composer
-   require symfony/asset` if you depend on it and don't already depend on
-   `symfony/symfony`
- * The `Resources/public/images/*` files have been removed.
- * The `Resources/public/css/*.css` files have been removed (they are now inlined
-   in TwigBundle).
-
 Console
 -------
 
@@ -72,25 +50,26 @@ Form
 FrameworkBundle
 ---------------
 
+ * The `doctrine/annotations` dependency has been removed; require it via `composer
+   require doctrine/annotations` if you are using annotations in your project
+ * The `symfony/security-core` and `symfony/security-csrf` dependencies have
+   been removed; require them via `composer require symfony/security-core
+   symfony/security-csrf` if you depend on them and don't already depend on
+   `symfony/symfony`
+ * The `symfony/templating` dependency has been removed; require it via `composer
+   require symfony/templating` if you depend on it and don't already depend on
+   `symfony/symfony`
+ * The `symfony/translation` dependency has been removed; require it via `composer
+   require symfony/translation` if you depend on it and don't already depend on
+   `symfony/symfony`
+ * The `symfony/asset` dependency has been removed; require it via `composer
+   require symfony/asset` if you depend on it and don't already depend on
+   `symfony/symfony`
+ * The `Resources/public/images/*` files have been removed.
+ * The `Resources/public/css/*.css` files have been removed (they are now inlined
+   in TwigBundle).
  * The service `serializer.mapping.cache.doctrine.apc` is deprecated. APCu should now
    be automatically used when available.
-
-HttpKernel
-----------
-
- * `DataCollector::varToString()` is deprecated and will be removed in Symfony
-   4.0. Use the `cloneVar()` method instead.
-
- * Surrogate name in a `Surrogate-Capability` HTTP request header has been changed to 'symfony'.
-
-   Before:
-   ```
-   Surrogate-Capability: symfony2="ESI/1.0"
-   ```
-
-   After:
-   ```
-   Surrogate-Capability: symfony="ESI/1.0"
    ```
 
 HttpFoundation
@@ -116,6 +95,23 @@ HttpFoundation
      - `isInvalid`/`isSuccessful`/`isRedirection`/`isClientError`/`isServerError`
      - `isOk`/`isForbidden`/`isNotFound`/`isRedirect`/`isEmpty`
 
+HttpKernel
+----------
+
+ * `DataCollector::varToString()` is deprecated and will be removed in Symfony
+   4.0. Use the `cloneVar()` method instead.
+
+ * Surrogate name in a `Surrogate-Capability` HTTP request header has been changed to 'symfony'.
+
+   Before:
+   ```
+   Surrogate-Capability: symfony2="ESI/1.0"
+   ```
+
+   After:
+   ```
+   Surrogate-Capability: symfony="ESI/1.0"
+
 TwigBridge
 ----------
 

UPGRADE-4.0.md

@@ -182,6 +182,42 @@ TwigBridge
  * The possibility to inject the Form Twig Renderer into the form extension
    has been removed. Inject it into the `TwigRendererEngine` instead.
 
+Validator
+---------
+
+ * The `DateTimeValidator::PATTERN` constant was removed.
+
+ * `Tests\Constraints\AbstractConstraintValidatorTest` has been removed in
+   favor of `Test\ConstraintValidatorTestCase`.
+
+   Before:
+
+   ```php
+   // ...
+   use Symfony\Component\Validator\Tests\Constraints\AbstractConstraintValidatorTest;
+
+   class MyCustomValidatorTest extends AbstractConstraintValidatorTest
+   {
+       // ...
+   }
+   ```
+
+   After:
+
+   ```php
+   // ...
+   use Symfony\Component\Validator\Test\ConstraintValidatorTestCase;
+
+   class MyCustomValidatorTest extends ConstraintValidatorTestCase
+   {
+       // ...
+   }
+   ```
+   
+ * The default value of the strict option of the `Choice` Constraint has been
+   changed to `true` as of 4.0. If you need the the previous behaviour ensure to 
+   set the option to `false`.
+
 Yaml
 ----
 
@@ -273,39 +309,3 @@ Yaml
    the `!php/object` tag.
 
  * Duplicate mapping keys lead to a `ParseException`.
-
-Validator
----------
-
- * The `DateTimeValidator::PATTERN` constant was removed.
-
- * `Tests\Constraints\AbstractConstraintValidatorTest` has been removed in
-   favor of `Test\ConstraintValidatorTestCase`.
-
-   Before:
-
-   ```php
-   // ...
-   use Symfony\Component\Validator\Tests\Constraints\AbstractConstraintValidatorTest;
-
-   class MyCustomValidatorTest extends AbstractConstraintValidatorTest
-   {
-       // ...
-   }
-   ```
-
-   After:
-
-   ```php
-   // ...
-   use Symfony\Component\Validator\Test\ConstraintValidatorTestCase;
-
-   class MyCustomValidatorTest extends ConstraintValidatorTestCase
-   {
-       // ...
-   }
-   ```
-   
- * The default value of the strict option of the `Choice` Constraint has been
-   changed to `true` as of 4.0. If you need the the previous behaviour ensure to 
-   set the option to `false`.