* tools/dev/bash_completion (_svn): Correct diff options (what was I   thinking of?) and info options. Also remove both revision and date   options when either has already been given.
* tools/dev/bash_completion (_svn): Correct diff options (what was I
  thinking of?) and info options. Also remove both revision and date
  options when either has already been given.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@841885 13f79535-47bb-0310-9956-ffa450edef68

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