post message to notify top window when the form is in an iframe
post message to notify top window when there is an error
do not display the confirmation if in the URL there is a parameter
(after the #) displayConfirmation=false

Conflicts:
	forms/forms-view/src/main/java/org/bonitasoft/forms/client/view/common/DOMUtils.java
	forms/forms-view/src/main/java/org/bonitasoft/forms/client/view/controller/FormPagesViewController.java
	forms/forms-view/src/main/java/org/bonitasoft/forms/client/view/controller/PageflowViewController.java