* generalize useApproveCallback

* show proper slippageAdjustedAmounts in dialog

* make confirmed button text readable in light mode

* default timeout from 15 -> 20 minutes

* add manual approve fallback to remove liquidity

* remove console log

* fix bad web3-react import introduced by refactor

* rename our wrapped version of useWeb3React

* return an enum from useApproveCallback

* fix comment