Merge pull request #1144 from jkczyz/2021-10-invoice-payer-scoring

Penalize failed channels

diff --cc lightning-background-processor/src/lib.rs
Simple merge

diff --cc lightning-invoice/src/payment.rs
Simple merge

diff --cc lightning/src/ln/channelmanager.rs
Simple merge

diff --cc lightning/src/ln/functional_test_utils.rs
Simple merge

diff --cc lightning/src/ln/functional_tests.rs
Simple merge

diff --cc lightning/src/ln/shutdown_tests.rs
Simple merge

diff --cc lightning/src/routing/router.rs
Simple merge