Added support for svn lock/unlock
Added support for svn lock/unlock

* trunk/contrib/client-side/psvn/psvn.el:
  (svn-process-sentinel): Added support for 'lock, 'unlock
  (svn-parse-status-result): Extract the svn-repo-locked-mark column
  (svn-status-line-info->repo-locked): New function
  (svn-insert-line-in-status-buffer): Show a repo lock if taken
  (svn-status-lock): New function to lock a file, bound to k
  (svn-status-unlock): New function to lock a file, bound to K

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