bug #13685 [WebProfilerBundle] Fix for broken profiler layout (kbond)

This PR was merged into the 2.6 branch.

Discussion
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[WebProfilerBundle] Fix for broken profiler layout

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

With the latest 2.6 the profiler layout is broken:

![screen](https://cloud.githubusercontent.com/assets/127811/6192633/17f7f192-b382-11e4-90c9-2595fd6079af.png)

I am not sure what broke it...

Commits
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af0ea97 Fix for broken profiler layout

src/Symfony/Bundle/WebProfilerBundle/Resources/views/Profiler/toolbar.html.twig

@@ -24,7 +24,7 @@
     <div id="sfToolbarClearer-{{ token }}" style="clear: both; height: 38px;"></div>
 {% endif %}
 
-<div id="sfToolbarMainContent-{{ token }}" class="sf-toolbarreset" data-no-turbolink>
+<div id="sfToolbarMainContent-{{ token }}" class="sf-toolbarreset clear-fix" data-no-turbolink>
     {% for name, template in templates %}
         {{ template.renderblock('toolbar', {
             'collector': profile.getcollector(name),