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
Merge pull request #514 from cedriclombardot/show-sidebar

Enable to add a sidebar in show view
Merge pull request #526 from cedriclombardot/fix-classloader-for-complex-names

Fix classLoader and EmptyBuilder for classes with complex namespaces
Fix action routes for complex namespaces
Fix the order of actions, fixes #520
Update depracated form event names
[FIX] Show template generation if sidebar is not defined
Merge pull request #527 from sescandell/fix-sidebar

[FIX] Show template generation if sidebar is not defined
Update object_actions.php.twig

Add spaces between rel and href (if confirm and csrfProtected are false there are no spaces between)
Add echo_spaceless
Fix object action block whitespace control
Shorten code
Fix default action translation domain
Fix default actions messages. If `action.option.success` is not set, it will default to `action.custom.success` and requires `Admingenerator` translation domain. Same goes for error message.
Cleanup code, remove unused code and files
Cleanup code
Cleanup code
Fix messages
Merge pull request #525 from symfony2admingenerator/fix-file-forms

Fix file upload forms