* cli addition to yml
* first experiments with CLI mode
* rustfmt
* modify owner_single_use to take optional instantiated API
* refactor command functions to take owner api instance
* modify commands to use single owner api instance
* add ability to pass customised message handler to API
* prevent update wallet attempt if wallet hasn't been opened
* fix output when internal updater is running
* add termion, use cli for status updates, remove logging output from CLI
* some attempts to clean up the command prompt and accomodate scanning intervals
* rework listener slightly to allow for cli mode, add close command
* remove termion dependency
* initial addition of ov3
* move libwallet address functions into OnionV3Address type
* incorporate OnionV3 type where possible
* factor out manual dalek pubkey manipulations
* corrections due to test failures
* change json-rpc example to use ov3 for payment proof recipient address
* add payment proof struct and deser
* rustfmt
* adding proof export functions
* rustfmt
* add payment proof validation function
* rustfmt
* add RPC version of retrieve_payment_proof + doctest
* rustfmt
* add verify_proof rpc function and documentation for new functions
* rustfmt
* add export and verify commands
* rustfmt
* test + test framework fixes
* rustfmt
* check whether addresses belong to this wallet, output such when checking
* rustfmt
* remove raw pubkey address and replace with ov3 address in user-facing contexts
* merge from master and rustfmt
* doctests
* refactor address generation code into libwallet, bool to flag whether to include proof, add sender address in init_send_tx
* rustfmt
* require payment proof addr as part of init_tx
* rustfmt
* store payment proof on sender transaction side
* rustfmt
* change sig to ed25519 sig
* rustfmt
* add message creation and signature
* rustfmt
* add payment proof verification function
* rustfmt
* validate proof on sender side, store proof
* rustfmt
* fix json tests
* fixes and updates to tests
* added API functions for converting and retrieving proof addresses
* rustfmt
* add payment proof to init_send_tx example
* rustfmt
* incorrect comment
