Enable to add a sidebar in show view

show:
  params:
    sidebar:
      'Widget Title':
          parial: AcmeDemoBundle:UserShow:_widget.html.twig
# or
          render: AcmeDemoBundle:Article:recentArticles
# or with params
          render:
            controller:  AcmeDemoBundle:Article:recentArticles
            params:
                max: 3
Fix classLoader and EmptyBuilder for classes with complex namespaces

When the namespace contains subfolder the warmup fail
With this new method, we split the required class and generate the exact namespace asked in the good file
CHange function definitions
Fix automatic object action route name
[FIX] Object action could be not csrf protected => post is not a requirement for routing
Developper must handle this case
Handle special actions formats from URL
Update batch-actions.js

Fix submit action
Update batch-actions.js
Apply fix method name to batch actions
New filter for action function names
Merge branch 'master' into fix-actions
Fix autogenerated functions name
Fix test
Merge pull request #519 from sescandell/fix-actions

Change function definitions
Update actions-builder.md

Update actions docs
Update actions-builder.md

Fix docs
Fix typo
Fix submitting issues link
Update batch_delete.php.twig

Change from public to protected
Update batch_action.php.twig