NERDTree for some navigation action
NERDTree should show itself if we try to open a file using PeepOpen

From: http://stackoverflow.com/questions/1979520/auto-open-nerdtree-in-every-tab/7640505#7640505
Increase columns to 220 to take into account NERDTree
Let's manage Git inside Vim using Fugitive
Use nerdtree instead of nerdtree.vim as I'm OC