vim: add bufferhint plugin

vim/vimrc

@@ -26,6 +26,8 @@ if filereadable(expand("$HOME/.vim/bundle/vundle/README.md"))
     Plugin 'honza/vim-snippets'
 
     Plugin 'ton/vim-bufsurf'
+    Plugin 'bsdelf/bufferhint'
+
     Plugin 'AndrewRadev/switch.vim'
 
     Plugin 'airblade/vim-gitgutter'
@@ -115,6 +117,8 @@ set backupdir=~/.vim/tmp/backup
 
 let mapleader = ","
 
+let g:bufferhint_MaxWidth = 200
+
 " FOLDING
 " {
 set foldenable
@@ -146,6 +150,9 @@ nnoremap <silent> ,bf :bnext<CR>
 nnoremap <silent> ,Bp :BufSurfBack<CR>
 nnoremap <silent> ,Bf :BufSurfForward<CR>
 
+nnoremap <Leader>- :call bufferhint#Popup()<CR>
+nnoremap <Leader>\ :call bufferhint#LoadPrevious()<CR>
+
 " delete into the black hole register
 nnoremap <leader>d "_d
 " }