Added support for OpenID identity

Added user roles management
Improvement CMS_HOOK_FORM_ALTER design.
Factorized code into CMS_WIDGET_COMPOSITE
Use general notion of CMS_WIDGET (and CMS_FORM allows CMS_WIDGET, and not just CMS_FORM_ITEM)
Fixed various CMS_WIDGET traversal, and fixed related issue for CMS forms
Fixed CMS_FORM_CHECKBOX_INPUT when no value was set.
Added CMS_FORM_DATA.cached_value .. to pass computed values during validation to submit actions (mainly for optimization)
Added support for @include=filename  in CMS_CONFIGURATION
Added CMS_WIDGET_TABLE as filled version of CMS_WIDGET_AGENT_TABLE (renamed from previous CMS_WIDGET_TABLE)
Many improvements to the CMS_FORM design
Some improvements to CMS_MODULE
...

draft/application/cms/src/hooks/cms_hook_auto_register.e

@@ -3,7 +3,7 @@ note
 			Summary description for {CMS_HOOK_AUTO_REGISTER}.
 			When inheriting from this class, the declared hooks are automatically
 			registered, otherwise, each descendant has to add it to the cms service
-			itself.			
+			itself.
 		]"
 	date: "$Date$"
 	revision: "$Revision$"
@@ -24,6 +24,10 @@ feature -- Hook
 			if attached {CMS_HOOK_BLOCK} Current as h_block then
 				a_service.add_block_hook (h_block)
 			end
+			if attached {CMS_HOOK_FORM_ALTER} Current as h_block then
+				a_service.add_form_alter_hook (h_block)
+			end
+
 		end
 
 end

draft/application/cms/src/hooks/cms_hook_form_alter.e

@@ -12,7 +12,7 @@ inherit
 
 feature -- Hook
 
-	form_alter (a_form: CMS_FORM; a_execution: CMS_EXECUTION)
+	form_alter (a_form: CMS_FORM; a_form_data: detachable CMS_FORM_DATA; a_execution: CMS_EXECUTION)
 		deferred
 		end