tree-wide: remove Emacs lines from all files This should be handled fine now by .dir-locals.el, so need to carry that stuff in every file.
tree-wide: sort includes in *.h This is a continuation of the previous include sort patch, which only sorted for .c files.
journald: don't pass around SO_TIMESTAMP timestamp for audit, which we don't have anyway
journald: if available pull audit messages from the kernel into journal logs