Add a new command-line option -T that's the same as -t, but it does

not do DirectoryRoot checking. This assumes:

   1. command-line options are prefered over Config directives
   2. we want to maintain current behavior while making
      life easier for mass vhosting
   3. everybody's happy

I leave the decision to whether apachectl should use -t or -T
to others.

PR:
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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@83411 13f79535-47bb-0310-9956-ffa450edef68