Changes with Apache 2.0.18-dev
+
+ *) Patch prefork to put enough of the signal processing back in so that
+ signals are all handled properly now. The previous patch fixed the
+ deadlock race condition, but broke the user directed signal handling.
+ This fixes it to work the way it did before my previous prefork patch
+ (primarily, SIGTERM is now working).
*) Change how input filters decide how much data is returned to the
higher filter. We used to use a field in the conn_rec, with this