* configure.ac: Refuse to use Ruby versions other than 1.8.x for now.    The tests do not run with Ruby 1.9 so we cannot be sure that the    bindings work with that version.
* configure.ac: Refuse to use Ruby versions other than 1.8.x for now.
   The tests do not run with Ruby 1.9 so we cannot be sure that the
   bindings work with that version.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion