Removed unused local variable

Use new location for http_authorization library.
Added error_handler in CMS_MODULE_API (and thus all modules).
Better error handling in CMS_USER_API.

src/service/cms_module_api.e

@@ -17,6 +17,24 @@ feature {NONE} -- Initialization
 	initialize
 			-- Initialize Current api.
 		do
+			create error_handler.make
+		end
+
+feature -- Access: error handling
+
+	error_handler: ERROR_HANDLER
+			-- Error handler.
+
+	reset_error
+			-- Reset error handler.
+		do
+			error_handler.reset
+		end
+
+	has_error: BOOLEAN
+			-- Error occurred?
+		do
+			Result := error_handler.has_error
 		end
 
 feature {CMS_API_ACCESS, CMS_MODULE, CMS_API} -- Restricted access		

src/service/user/cms_user_api.e

@@ -131,15 +131,15 @@ feature -- Change User
 			no_id: not a_user.has_id
 			no_hashed_password: a_user.hashed_password = Void
 		do
+			reset_error
 			if
 				attached a_user.password as l_password and then
 				attached a_user.email as l_email
 			then
 				storage.new_user (a_user)
+				error_handler.append (storage.error_handler)
 			else
-				debug ("refactor_fixme")
-					fixme ("Add error")
-				end
+				error_handler.add_custom_error (0, "bad new user request", "Missing password or email to create new user!")
 			end
 		end
 
@@ -148,7 +148,9 @@ feature -- Change User
 		require
 			has_id: a_user.has_id
 		do
+			reset_error
 			storage.update_user (a_user)
+			error_handler.append (storage.error_handler)
 		end
 
 feature -- User Activation
@@ -190,4 +192,7 @@ feature -- User status
 	Trashed: INTEGER = -1
 			-- The user is trashed (soft delete), ready to be deleted/destroyed from storage.
 
+note
+	copyright: "2011-2015, Jocelyn Fiat, Javier Velilla, Eiffel Software and others"
+	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
 end