bind q to delete buffer

- as a cleanup
- TODO: make ESC or CTRL-C break installation

autoload/vundle/scripts.vim

@@ -38,7 +38,7 @@ func! vundle#scripts#setup_view() abort
   com! -buffer -bang -nargs=? InstallBundle call vundle#installer#install('!' == '<bang>', <q-args>)
   com! -buffer -nargs=0 VundleLog call s:view_log()
 
-  nnoremap <buffer> q :wincmd q<CR>
+  nnoremap <buffer> q :bd!<CR>
   nnoremap <buffer> i :exec 'Install'.getline('.')<CR>
 
   nnoremap <buffer> l :VundleLog<CR>