The epoll event flags are now fully controlled by the caller of the
Worker::add_fd function. This makes the mechanism more generic and allows
both edge triggered and level triggered behavior.
See script directory for method. The script to run in the top level
MaxScale directory is called maxscale-uncrustify.sh, which uses
another script, list-src, from the same directory (so you need to set
your PATH). The uncrustify version was 0.66.
