Open a NERDTree automatically when vim starts up if no files were spe…

…cified

.vimrc

@@ -72,7 +72,8 @@ let g:mapleader=','
 " NERDTree
 let NERDTreeShowHidden=1
 let NERDTreeIgnore=['\~$', '^\.DS_Store$', '^\.bundle$', '^\.git$', '^\.sass-cache$']
-let g:nerdtree_tabs_open_on_console_startup=1
+autocmd StdinReadPre * let s:std_in=1
+autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
 map <Leader>n :NERDTreeToggle<CR>
 
 " Bbye (Buffer Bye) for Vim