Add experimental repository synchronization implementation.
Add experimental repository synchronization implementation.

* subversion/bindings/swig/ruby/svn/syncer.rb (Svn::Syncer): New class.

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