Fix handling of authz configurations, make default authz logic replicate

2.2.x authz logic and support existing configurations (including .htaccess
files), and replace <Satisfy*>, Reject, and AuthzMergeRules directives
with Match, <Match*>, and AuthzMerge directives.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@709838 13f79535-47bb-0310-9956-ffa450edef68