88b53a471e Unify deprecated note field format (Jamil Lambert, PhD)
Pull request description:
Following the suggestion in Issue #3306 all the deprecated note fields have been changed to be lower case and in the format "use `abc` instead".
ACKs for top commit:
tcharding:
ACK 88b53a471e
apoelstra:
ACK 88b53a471e successfully ran local tests
Tree-SHA512: 5c20eda7140f37ce78eb58dfdf03ecc11a67fcb10f294d860e81eaaee696e3a4209516017a9885cef9bfff1aa69b845534d139578b674933770fa24d59e4275f