mention GChart in CHANGELOG
mention GChart in CHANGELOG

git-svn-id: 6db40d0534cac73ba019dccfebee869402ecad0c@1324 7a2bd370-bda8-463c-979e-2900ccfb811e

andreyvit/pyjamas,andreyvit/pyjamas,andreyvit/pyjamas,certik/pyjamas,certik/pyjamas,certik/pyjamas,certik/pyjamas,andreyvit/pyjamas