Add preliminary code for a Subversion back end for the Emacs `VC' package.
Add preliminary code for a Subversion back end for the Emacs `VC' package.

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