Intial work on logging handlers.
Fixing constructor error.
Add from_addr to example...
Renamed stdout to stderr, logging handlers now registered in site and then applied when get_logger() is run.
Clean up stderr configuration access.
Loading logging plugins where possible. Updated all get_logger to new parameters. Added STDERR_HANDLER.
Fixing secure arguement.
Tweak
Remove all the self.logger in favour of old LOGGER style.
Commiting before pull
merge
Added doc for sighandlers_loaded signal.
Progress
Removed debugging.
Merge github.com:getnikola/nikola into loghandlers
Cleanup pep8 and bugs.
Fixing logger style.
Tweak import and debug level.
Adding headers, fixing bugs.
Adding logging handler config to tests.