+ [Eina] API change. eina_module_list_flush() -> eina_module_list_free()

+ [Eina] API change. eina_module_list_flush() -> eina_module_list_free()
  as we are on the modules context not the array.
  All the referenced projects are changed too. Remember that the list_free()
  already calls the unload() on each module so no need to call list_unload()

git-svn-id: http://svn.enlightenment.org/svn/e/trunk/eina@44978 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33