Add sane defaults for netrw

dotfiles/vim/vimrc

 " ''''''' "
 execute pathogen#infect()
 
+let g:netrw_banner=0
+let g:netrw_liststyle=3
+
 let g:local_vimrc=".vimrc_local.vim"
 let python_highlight_all = 1
 let g:vim_markdown_folding_disabled=1