Added shebang check for '! so that .vbs scripts can work as CGI.

Backport of r1054347 from trunk; reviewed by wrowe, trawick.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1094174 13f79535-47bb-0310-9956-ffa450edef68