add LibTokenSpender and convert to using that This skips the allowance target. Allowances are instead just set on the exchange proxy itself. There is a fallback, though, to try spending from the allowance target if the original transfer fails.
@0x/contracts-zero-ex
SignatureValidator
MetaTransactions
IUniswapV2Feature
@0x/contracrts-zero-ex
TransformerDeployer.kill()
die()