mod_rewrite: Add the AllowNoSlash RewriteOption, which makes it possible

for RewriteRules to be placed in .htaccess files that match the directory
with no trailing slash. PR 48304.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1209053 13f79535-47bb-0310-9956-ffa450edef68