* Introducing jetty-slf4j-impl
* Make Jetty use org.slf4j
* Removed most of org.eclipse.jetty.util.log classes
* Left org.eclipse.jetty.util.log.Log and
       org.eclipse.jetty.util.log.Logger but as
  simple bridge classes that are deprecated
* Migrated code using org.eclipse.jetty.util.log.StacklessLogging
  to org.eclipse.jetty.logging.StacklessLogging found in
  the jetty-slf4j-impl
* Moved logging start modules from jetty-util to jetty-home
* Simplified logging start modules
* Updated code that was using StdErrLog directly
* Updating module-info.java for org.slf4j
* removing org.eclipse.jetty.util.log.class references
* jetty-start supports manually declared default provider
  + and we use it to default "logging" to the "logging-jetty" provider
* Cleaning up jetty-maven-plugin and IT testing for Logging
* Using old slf4j for it testing
* Updating compiler config to show Xlint:exports warnings
* Updating console-capture and logging-noop
* Adding slf4j bridge (capture) jetty modules
* Updates to jetty logging module locations
* Changing reference to slf4j dependent mod
* Process requested enabled modules in topological order
* Limiting inclusions in shaded jetty-start
  + Also adding note to jetty-util classes that are used by
    jetty-start
* Default logging level on baseline logging config is INFO (not DEBUG)
* Changing from system to server classes in logging
* Updating other modules to use new logging names

Signed-off-by: Joakim Erdfelt <joakim.erdfelt@gmail.com>