8179222: SimpleConsoleLogger should protect against MissingResourceException
Summary: SimpleConsoleLogger now emulates the behaviour of java.util.logging.Formatter, trapping MissingResourceException and using the key as the message if the ResourceBundle has no match for that key.
Reviewed-by: naoto

8155775: Re-examine naming of privileged methods to access System properties
Reviewed-by: mullan

8154231: Simplify access to System properties from JDK code
Reviewed-by: rriggs, chegar, weijun

8150840: Add an internal system property to control the default level of System.Logger when java.logging is not present.
Reviewed-by: mchung, rriggs

8145686: SimpleConsoleLogger and LogRecord should take advantage of StackWalker to skip classes implementing System.Logger
Summary: methods defined on classes implementing System.Logger will be skipped when looking for the calling method.
Reviewed-by: mchung

8143911: Reintegrate JEP 259: Stack-Walking API
Reviewed-by: coleenp, dfuchs, bchristi, psandoz, sspitsyn
Contributed-by: Mandy Chung <mandy.chung@oracle.com>, Brent Christian <brent.christian@oracle.com>, Daniel Fuchs <daniel.fuchs@oracle.com>, Hamlin Li <huaming.li@oracle.com>

8143931: Back out JDK-8140450
Reviewed-by: coleenp

8140450: Implement JEP 259: Stack-Walking API
Reviewed-by: coleenp, dfuchs, bchristi, psandoz, sspitsyn
Contributed-by: Mandy Chung <mandy.chung@oracle.com>, Brent Christian <brent.christian@oracle.com>, Daniel Fuchs <daniel.fuchs@oracle.com>, Hamlin Li <huaming.li@oracle.com>

8140364: JEP 264 Platform Logger API and Service Implementation
Summary: Initial implementation for JEP 264 Platform Logger API and Service
Reviewed-by: mchung, psandoz, rriggs