Fixed rendering of fields with complex options.

The HTML code of form fields with a combination of errors, help text and prepended/appended inputs should now work correctly. Closes #49
Merge branch 'develop' of git://github.com/braincrafted/bootstrap-bundle into develop

* 'develop' of git://github.com/braincrafted/bootstrap-bundle:
  Update form_div_layout.html.twig
  Fixed rendering of integer, money, etc. inputs
  Child forms uses <legend> to render its label
  Added options to disable auto config of bundles
  Fixed indention
  Escape input of Twig filters, closes #40
  Removed composer.lock file