Refactor ConsoleFormatter.format() method to formatMessage()
Refactor ConsoleFormatter.format() method to formatMessage()

Re-use the standard Formatter.format() method, and only override the
Formatter.formatMessage() method.

Signed-off-by: Esben Haabendal <da90c138e4a9573086862393cde34fa33d74f6e5@haabendal.dk>

esben/xd-tool,XD-embedded/xd-tool,XD-embedded/xd-tool,esben/xd-tool