* Some mor changes to the ec_charges form handling

  will give an additional level of privacy when dealing with the paypal
  payments.

* Start implementing the modal form

* remove the weight from the variables table since all variable are independant

* Localization and physical measures list bug fixed

* table name without braces {} on eC Queue SQL

* module_invoke_all('product_form_alter') dont support reference arguments, so no module was changing anything

* Node form as not working

* Enhance eC queue some more

  is not implemented in a customer type. eg. hook_customer_by_uid() is not valid
  for anonymous customers, as it will alway be 0.