changed names from AvalaraUseCodeItems to AvalaraEntityUseCodes
changed button to avalara_entity_use_code_settings
created use code edit page
removed avatax_customer_code for admin
changed customer code to the user's id and readonly
removed customer code column since it is just the user's id
If there is no stock location create a stock location with the avatax origin information
changed from billing address to shipping address
changed to if there is no customer code use work Guest
cleaned up code
changed so client version cannot be edited and with correct version
address validation is refactored and working