Command line tools to facilitate working with git and github
see https://coderwall.com/p/euwpig?&p=1&q=
git config --global alias.lg "log --color --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit"