Loggin support

[tonsky]

Log.java

• log(String) { consumer.apply(str); }
• verbose(String) { if (verbose) consumer.apply(str); }
• setLogger(@Nullable Consumer)
  • Default to System.err::println
• setVerbose(boolean)
  • Default to “true”.equals(System.getProperty("JWM_VERBOSE"))

Remove LogLevel

Log.hh

• JWM_VERBOSE
• JWM_LOG

[tonsky]

• Log.setLogger(message -> System.out.println(message));
• Message format: <file>:<line> <message>
• <file> should not have a path
• Remove logLevelToStr
• Remove entriesToKeep