A Sublime Text 2/3 plugin to go to last edited position regardless of the file you were editing
By Package control installing GoToLastEdit from the Install package option in Package control menu.
Also manually checking out from github:
$ cd Sublime Text [version]/Packages
$ git clone https://github.com/khrizt/GotoLastEdit.git
Wherever you are you can use the default key binding for all operating systems:
Ctrl + q