Summary: Break logging and AWT circular dependency, which was at the root cause for 8023258 - Logger.getLogger() after ImageIO.read() returns different logger instance
Reviewed-by: mchung, art

6664528: Find log level matching its name or value given at construction time
Reviewed-by: alanb, ahgross, jgish, hawtin

Reviewed-by: hawtin, coffeys

Reviewed-by: smarks

Reviewed-by: darcy, weijun