Default to not allowing htaccess in /, instead of just the documentroot, which...

Default to not allowing htaccess in /, instead of just the documentroot, which gets a nice 10% performance boost by default for me.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1200478 13f79535-47bb-0310-9956-ffa450edef68