Add translation efforts to the website.
Add translation efforts to the website.

* www/project_development.html: Add sections "Translating Subversion output"
  and "Translating the book 'Version control with Subversion'".


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@851865 13f79535-47bb-0310-9956-ffa450edef68

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