DW:

DW:
 - Bug fix with Config.onoff.enable_purge flag.  The PURGE method is
   kind of dangerous.  It would be allowed by default for most access
   control configurations because its not mentioned specifically.
   Thus, we don't allow any PURGE requests unless the PURGE method
   is mentioned in the access list configuration.  Before the fix we
   set the enable flag, but it never got cleared upon a reconfigure.
   Also users complain that defining an ACL that is never used in
   an access list shouldn't trip this flag.  With the fix, the PURGE
   method must be referenced in the 'http_access' list, and we make
   sure to clear the flag on reconfigure.