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


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@860311 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion