A bit more ap_regkey and apr-ization.  Fixes some new bugs where the
  AP_REGKEY_CREATE flag wasn't passed for ap_regkey_open (when the key
  is expected to not yet exist), and adds the new flags arg to value_set.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@95937 13f79535-47bb-0310-9956-ffa450edef68