updated changelog
hop_tasks: dart_analyzer: added machine-format flag, abbr for other flags
test: hop_tasks: dart_analyzer: fewer, shorter tests
test: returning Future from test methods is nice
test: more Future test cleanup
hop: fixed crash in ConsoleContext by fixing regression in subCtx disposal
hop: tweaked output level of Run time to Level.FINER
hop: ConsoleContext: print out messages at or greater than Level.FINE