don't recalculate avg_rt for static files
Merge pull request #616 from prymitive/ignore_static_file_avg_rt

don't recalculate avg_rt for static files
added --emperor-no-blacklist
close pipe and config file descriptors when back to on-demand mode
implements eof management in fastcgi parser
added --metrics-no-cores, --stats-no-cores, --stats-no-metrics. fixed #537
backported emperor fixes from 2.1
added SOURCE management to http router
fixed typo in SOURCE manager
reindented emperor.c
more Emperor backports
implement a form of virtualhosting for http/1.0 icecast2 source requests
improved icecast2 management
allow variables in uwsgi router
fixed #620
ensure SIGPIPE is ignored in gevent mode
fixed #623
fixed #622
various sharedarea improvements
correctly manage 64bit sharedarea numbers on 32bit systems