* fix(ctb): M-03 Eth can be send to undeliverable recipient

* fix(ctb): M-07  CrossDomainMessenger allows sending messages to unrelayable addresses"

* fix(ctb): L-01 Improve deposit docs

* fix(ctb): L-09 Misleading inline documentation

* fix(ctb):  Standard Bridge does not support tokens with transfer fees

* fix(ctb): N-07 Unexplained literal values