fix ACL settings when merging views

fix ACL settings when merging views

when merging view objects into the effective configuration, add
allow-query-cache, allow-recursion, allow-query-cache-on and
allow-recursion-on ACLs as needed to reflect the way those
options inherit from each other.

this means the effective configuration is now correct for each
view.  ACLs no longer need to be corrected when applying the
configuration, and the actual effective ACL values will be
displayed in "rndc showconf" and "named-checkconf -pe".