Always close InputStream

e.g. in case of JoranException from doConfigure().

fix default color set back.

fix default color, current one won't set default color correctly. The iteral after colored pattern will always use previous setting color, Even the bold style on windows XP platform.

StaticLoggerBinder#getLoggerFactoryClassStr returns 'ch.qos.logback.classic.util.ContextSelectorStaticBinder'

Added support javax.mail.Session resource retreival from JNDI, fixed statusListener method in GafferConfigurator

logback-site: Fix a typo in the news.