Merge remote-tracking branch 'origin/topic/seth/zeek_init'

* origin/topic/seth/zeek_init:
  Some more testing fixes.
  Update docs and tests for bro_(init|done) -> zeek_(init|done)
  Implement the zeek_init handler.

testing/btest/language/record-function-recursion.zeek

@@ -13,7 +13,7 @@ redef record Outer += {
 	inner: Inner &optional;
 };
 
-event bro_init() {
+event zeek_init() {
 	local o = Outer();
 	print o;
 	print type_name(o);