git utils

git filter-branch --env-filter "export GIT_AUTHOR_EMAIL=edgar.r.sandi@gmail.com GIT_COMMITTER_EMAIL=edgar.r.sandi@gmail.com" master
git filter-branch --commit-filter 'if [ "$GIT_AUTHOR_NAME" = "Aluno" ];  then export GIT_AUTHOR_NAME="Edgar Sandi"; export GIT_AUTHOR_EMAIL=edgar.r.sandi@gmail.com;  fi; git commit-tree "$@"'


http://stackoverflow.com/questions/750172/how-do-i-change-the-author-of-a-commit-in-git

http://happygiraffe.net/blog/2009/09/01/changing-the-committer/

git remote add origin https://github.com/edgarsandi/symfony_handson.git