[PATCH] Refactoring url to original url (storeurl step 1)

The patch is refactoring of two variables:
mem_object->url into mem_obj->original_url
Store_entry->url into Store_entry->originalUrl

Both are named inline with other variables in their scope.
This is the first step towards Store_url completion.

Eliezer

-- 
Eliezer Croitoru
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eliezer <at> ngtech.co.il